QnA fy - Recent questions tagged মান নির্ণয়

QnA fy - Recent questions tagged মান নির্ণয় https://qnafy.com/tag/%E0%A6%AE%E0%A6%BE%E0%A6%A8%20%E0%A6%A8%E0%A6%BF%E0%A6%B0%E0%A7%8D%E0%A6%A3%E0%A7%9F Powered by Question2Answer $2^{\frac{4x-3}{x-3}}+2^{\frac{5x-6}{x-3}}=24$ হলে $x$ এর মান নির্ণয় কর। https://qnafy.com/15062/%242-frac-4x-3-x-3-2-frac-5x-6-x-3-24%24-%E0%A6%B9%E0%A6%B2%E0%A7%87-%24x%24-%E0%A6%8F%E0%A6%B0-%E0%A6%AE%E0%A6%BE%E0%A6%A8-%E0%A6%A8%E0%A6%BF%E0%A6%B0%E0%A7%8D%E0%A6%A3%E0%A7%9F-%E0%A6%95%E0%A6%B0%E0%A5%A4 Algebra https://qnafy.com/15062/%242-frac-4x-3-x-3-2-frac-5x-6-x-3-24%24-%E0%A6%B9%E0%A6%B2%E0%A7%87-%24x%24-%E0%A6%8F%E0%A6%B0-%E0%A6%AE%E0%A6%BE%E0%A6%A8-%E0%A6%A8%E0%A6%BF%E0%A6%B0%E0%A7%8D%E0%A6%A3%E0%A7%9F-%E0%A6%95%E0%A6%B0%E0%A5%A4 Sun, 27 Jul 2025 09:05:14 +0000 মান নির্ণয় কর: $\log_381$ https://qnafy.com/14924/%E0%A6%AE%E0%A6%BE%E0%A6%A8-%E0%A6%A8%E0%A6%BF%E0%A6%B0%E0%A7%8D%E0%A6%A3%E0%A7%9F-%E0%A6%95%E0%A6%B0-%24-log_381%24 Algebra https://qnafy.com/14924/%E0%A6%AE%E0%A6%BE%E0%A6%A8-%E0%A6%A8%E0%A6%BF%E0%A6%B0%E0%A7%8D%E0%A6%A3%E0%A7%9F-%E0%A6%95%E0%A6%B0-%24-log_381%24 Thu, 24 Jul 2025 18:18:16 +0000 মান নির্ণয় কর: $\log_5\sqrt[3]{5}$ https://qnafy.com/14923/%E0%A6%AE%E0%A6%BE%E0%A6%A8-%E0%A6%A8%E0%A6%BF%E0%A6%B0%E0%A7%8D%E0%A6%A3%E0%A7%9F-%E0%A6%95%E0%A6%B0-%24-log_5-sqrt-3-5-%24 Algebra https://qnafy.com/14923/%E0%A6%AE%E0%A6%BE%E0%A6%A8-%E0%A6%A8%E0%A6%BF%E0%A6%B0%E0%A7%8D%E0%A6%A3%E0%A7%9F-%E0%A6%95%E0%A6%B0-%24-log_5-sqrt-3-5-%24 Thu, 24 Jul 2025 18:17:44 +0000 মান নির্ণয় কর: $\log_42$ https://qnafy.com/14922/%E0%A6%AE%E0%A6%BE%E0%A6%A8-%E0%A6%A8%E0%A6%BF%E0%A6%B0%E0%A7%8D%E0%A6%A3%E0%A7%9F-%E0%A6%95%E0%A6%B0-%24-log_42%24 Algebra https://qnafy.com/14922/%E0%A6%AE%E0%A6%BE%E0%A6%A8-%E0%A6%A8%E0%A6%BF%E0%A6%B0%E0%A7%8D%E0%A6%A3%E0%A7%9F-%E0%A6%95%E0%A6%B0-%24-log_42%24 Thu, 24 Jul 2025 18:16:49 +0000 মান নির্ণয় কর: $\log_{2\sqrt5}400$ https://qnafy.com/14921/%E0%A6%AE%E0%A6%BE%E0%A6%A8-%E0%A6%A8%E0%A6%BF%E0%A6%B0%E0%A7%8D%E0%A6%A3%E0%A7%9F-%E0%A6%95%E0%A6%B0-%24-log_-2-sqrt5-400%24 Algebra https://qnafy.com/14921/%E0%A6%AE%E0%A6%BE%E0%A6%A8-%E0%A6%A8%E0%A6%BF%E0%A6%B0%E0%A7%8D%E0%A6%A3%E0%A7%9F-%E0%A6%95%E0%A6%B0-%24-log_-2-sqrt5-400%24 Thu, 24 Jul 2025 18:16:03 +0000 মান নির্ণয় কর: $\log_5\left(\sqrt[3]{5}\cdot\sqrt5\right)$ https://qnafy.com/14920/%E0%A6%AE%E0%A6%BE%E0%A6%A8-%E0%A6%A8%E0%A6%BF%E0%A6%B0%E0%A7%8D%E0%A6%A3%E0%A7%9F-%E0%A6%95%E0%A6%B0-%24-log_5-left-sqrt-3-5-cdot-sqrt5-right-%24 Algebra https://qnafy.com/14920/%E0%A6%AE%E0%A6%BE%E0%A6%A8-%E0%A6%A8%E0%A6%BF%E0%A6%B0%E0%A7%8D%E0%A6%A3%E0%A7%9F-%E0%A6%95%E0%A6%B0-%24-log_5-left-sqrt-3-5-cdot-sqrt5-right-%24 Thu, 24 Jul 2025 18:15:20 +0000 $x$ এর মান নির্ণয় কর: $\log_5x=3$ https://qnafy.com/14919/%24x%24-%E0%A6%8F%E0%A6%B0-%E0%A6%AE%E0%A6%BE%E0%A6%A8-%E0%A6%A8%E0%A6%BF%E0%A6%B0%E0%A7%8D%E0%A6%A3%E0%A7%9F-%E0%A6%95%E0%A6%B0-%24-log_5x-3%24 Algebra https://qnafy.com/14919/%24x%24-%E0%A6%8F%E0%A6%B0-%E0%A6%AE%E0%A6%BE%E0%A6%A8-%E0%A6%A8%E0%A6%BF%E0%A6%B0%E0%A7%8D%E0%A6%A3%E0%A7%9F-%E0%A6%95%E0%A6%B0-%24-log_5x-3%24 Thu, 24 Jul 2025 18:13:53 +0000 $x$ এর মান নির্ণয় কর: $\log_{x}25=2$ https://qnafy.com/14918/%24x%24-%E0%A6%8F%E0%A6%B0-%E0%A6%AE%E0%A6%BE%E0%A6%A8-%E0%A6%A8%E0%A6%BF%E0%A6%B0%E0%A7%8D%E0%A6%A3%E0%A7%9F-%E0%A6%95%E0%A6%B0-%24-log_-x-25-2%24 Algebra https://qnafy.com/14918/%24x%24-%E0%A6%8F%E0%A6%B0-%E0%A6%AE%E0%A6%BE%E0%A6%A8-%E0%A6%A8%E0%A6%BF%E0%A6%B0%E0%A7%8D%E0%A6%A3%E0%A7%9F-%E0%A6%95%E0%A6%B0-%24-log_-x-25-2%24 Thu, 24 Jul 2025 18:13:18 +0000 $x$ এর মান নির্ণয় কর: $\log_{x}\frac{1}{16}=-2$ https://qnafy.com/14917/%24x%24-%E0%A6%8F%E0%A6%B0-%E0%A6%AE%E0%A6%BE%E0%A6%A8-%E0%A6%A8%E0%A6%BF%E0%A6%B0%E0%A7%8D%E0%A6%A3%E0%A7%9F-%E0%A6%95%E0%A6%B0-%24-log_-x-frac-1-16-2%24 Algebra https://qnafy.com/14917/%24x%24-%E0%A6%8F%E0%A6%B0-%E0%A6%AE%E0%A6%BE%E0%A6%A8-%E0%A6%A8%E0%A6%BF%E0%A6%B0%E0%A7%8D%E0%A6%A3%E0%A7%9F-%E0%A6%95%E0%A6%B0-%24-log_-x-frac-1-16-2%24 Thu, 24 Jul 2025 18:12:46 +0000 যদি $sin\theta+cos\theta=a$ হয়, তবে $sin^4\theta+cos^4\theta$ এর মান কত? https://qnafy.com/14905/%E0%A6%AF%E0%A6%A6%E0%A6%BF-%24sin-theta-cos-theta-a%24-%E0%A6%B9%E0%A7%9F-%E0%A6%A4%E0%A6%AC%E0%A7%87-%24sin-4-theta-cos-4-theta%24-%E0%A6%8F%E0%A6%B0-%E0%A6%AE%E0%A6%BE%E0%A6%A8-%E0%A6%95%E0%A6%A4 Trigonometry https://qnafy.com/14905/%E0%A6%AF%E0%A6%A6%E0%A6%BF-%24sin-theta-cos-theta-a%24-%E0%A6%B9%E0%A7%9F-%E0%A6%A4%E0%A6%AC%E0%A7%87-%24sin-4-theta-cos-4-theta%24-%E0%A6%8F%E0%A6%B0-%E0%A6%AE%E0%A6%BE%E0%A6%A8-%E0%A6%95%E0%A6%A4 Thu, 24 Jul 2025 11:21:06 +0000 $f(x)=x^2-4x+4$ হলে, $f(2)$ এর মান কত? https://qnafy.com/14828/%24f-x-x-2-4x-4%24-%E0%A6%B9%E0%A6%B2%E0%A7%87-%24f-2-%24-%E0%A6%8F%E0%A6%B0-%E0%A6%AE%E0%A6%BE%E0%A6%A8-%E0%A6%95%E0%A6%A4 Algebra https://qnafy.com/14828/%24f-x-x-2-4x-4%24-%E0%A6%B9%E0%A6%B2%E0%A7%87-%24f-2-%24-%E0%A6%8F%E0%A6%B0-%E0%A6%AE%E0%A6%BE%E0%A6%A8-%E0%A6%95%E0%A6%A4 Sun, 20 Jul 2025 16:12:43 +0000 $\frac12\{(a+b)^2-(a-b)^2\}$ এর মান কত? https://qnafy.com/14827/%24-frac12-a-b-2-a-b-2-%24-%E0%A6%8F%E0%A6%B0-%E0%A6%AE%E0%A6%BE%E0%A6%A8-%E0%A6%95%E0%A6%A4 Algebra https://qnafy.com/14827/%24-frac12-a-b-2-a-b-2-%24-%E0%A6%8F%E0%A6%B0-%E0%A6%AE%E0%A6%BE%E0%A6%A8-%E0%A6%95%E0%A6%A4 Sun, 20 Jul 2025 16:10:13 +0000 $x+\frac{2}{x}=3$ হলে, $x^3+\frac{8}{x^3}$ এর মান কত? https://qnafy.com/14826/%24x-frac-2-x-3%24-%E0%A6%B9%E0%A6%B2%E0%A7%87-%24x-3-frac-8-x-3-%24-%E0%A6%8F%E0%A6%B0-%E0%A6%AE%E0%A6%BE%E0%A6%A8-%E0%A6%95%E0%A6%A4 Algebra https://qnafy.com/14826/%24x-frac-2-x-3%24-%E0%A6%B9%E0%A6%B2%E0%A7%87-%24x-3-frac-8-x-3-%24-%E0%A6%8F%E0%A6%B0-%E0%A6%AE%E0%A6%BE%E0%A6%A8-%E0%A6%95%E0%A6%A4 Sun, 20 Jul 2025 16:09:10 +0000 যদি $x=2-\sqrt3$ হয়, তবে, $x^2$ এর মান কত? https://qnafy.com/14824/%E0%A6%AF%E0%A6%A6%E0%A6%BF-%24x-2-sqrt3%24-%E0%A6%B9%E0%A7%9F-%E0%A6%A4%E0%A6%AC%E0%A7%87-%24x-2%24-%E0%A6%8F%E0%A6%B0-%E0%A6%AE%E0%A6%BE%E0%A6%A8-%E0%A6%95%E0%A6%A4 Algebra https://qnafy.com/14824/%E0%A6%AF%E0%A6%A6%E0%A6%BF-%24x-2-sqrt3%24-%E0%A6%B9%E0%A7%9F-%E0%A6%A4%E0%A6%AC%E0%A7%87-%24x-2%24-%E0%A6%8F%E0%A6%B0-%E0%A6%AE%E0%A6%BE%E0%A6%A8-%E0%A6%95%E0%A6%A4 Sun, 20 Jul 2025 16:06:39 +0000 $f(x)=x^2-5x+6$ এবং $f(x)=0$ হলে, $x=$ কত? https://qnafy.com/14823/%24f-x-x-2-5x-6%24-%E0%A6%8F%E0%A6%AC%E0%A6%82-%24f-x-0%24-%E0%A6%B9%E0%A6%B2%E0%A7%87-%24x-%24-%E0%A6%95%E0%A6%A4 Algebra https://qnafy.com/14823/%24f-x-x-2-5x-6%24-%E0%A6%8F%E0%A6%AC%E0%A6%82-%24f-x-0%24-%E0%A6%B9%E0%A6%B2%E0%A7%87-%24x-%24-%E0%A6%95%E0%A6%A4 Sun, 20 Jul 2025 16:05:34 +0000 $x^4-x^2+1=0$ হলে, $x^2+\frac{1}{x^2}$ এর মান কত? https://qnafy.com/14821/%24x-4-x-2-1-0%24-%E0%A6%B9%E0%A6%B2%E0%A7%87-%24x-2-frac-1-x-2-%24-%E0%A6%8F%E0%A6%B0-%E0%A6%AE%E0%A6%BE%E0%A6%A8-%E0%A6%95%E0%A6%A4 Algebra https://qnafy.com/14821/%24x-4-x-2-1-0%24-%E0%A6%B9%E0%A6%B2%E0%A7%87-%24x-2-frac-1-x-2-%24-%E0%A6%8F%E0%A6%B0-%E0%A6%AE%E0%A6%BE%E0%A6%A8-%E0%A6%95%E0%A6%A4 Sun, 20 Jul 2025 16:00:36 +0000 $x^4-x^2+1=0$ হলে, $x^3+\frac{1}{x^3}$ এর মান কত? https://qnafy.com/14819/%24x-4-x-2-1-0%24-%E0%A6%B9%E0%A6%B2%E0%A7%87-%24x-3-frac-1-x-3-%24-%E0%A6%8F%E0%A6%B0-%E0%A6%AE%E0%A6%BE%E0%A6%A8-%E0%A6%95%E0%A6%A4 Algebra https://qnafy.com/14819/%24x-4-x-2-1-0%24-%E0%A6%B9%E0%A6%B2%E0%A7%87-%24x-3-frac-1-x-3-%24-%E0%A6%8F%E0%A6%B0-%E0%A6%AE%E0%A6%BE%E0%A6%A8-%E0%A6%95%E0%A6%A4 Sun, 20 Jul 2025 15:54:23 +0000 এই সিরিজটিতে পরের সংখ্যাটি কত? ৩ → ৫ → ৮ → ১২ → ২১ → ? https://qnafy.com/14737/%E0%A6%8F%E0%A6%87-%E0%A6%B8%E0%A6%BF%E0%A6%B0%E0%A6%BF%E0%A6%9C%E0%A6%9F%E0%A6%BF%E0%A6%A4%E0%A7%87-%E0%A6%AA%E0%A6%B0%E0%A7%87%E0%A6%B0-%E0%A6%B8%E0%A6%82%E0%A6%96%E0%A7%8D%E0%A6%AF%E0%A6%BE%E0%A6%9F%E0%A6%BF-%E0%A6%95%E0%A6%A4-%E0%A7%A9-%E2%86%92-%E0%A7%AB-%E2%86%92-%E0%A7%AE-%E2%86%92-%E0%A7%A7%E0%A7%A8-%E2%86%92-%E0%A7%A8%E0%A7%A7-%E2%86%92 Arithmetic https://qnafy.com/14737/%E0%A6%8F%E0%A6%87-%E0%A6%B8%E0%A6%BF%E0%A6%B0%E0%A6%BF%E0%A6%9C%E0%A6%9F%E0%A6%BF%E0%A6%A4%E0%A7%87-%E0%A6%AA%E0%A6%B0%E0%A7%87%E0%A6%B0-%E0%A6%B8%E0%A6%82%E0%A6%96%E0%A7%8D%E0%A6%AF%E0%A6%BE%E0%A6%9F%E0%A6%BF-%E0%A6%95%E0%A6%A4-%E0%A7%A9-%E2%86%92-%E0%A7%AB-%E2%86%92-%E0%A7%AE-%E2%86%92-%E0%A7%A7%E0%A7%A8-%E2%86%92-%E0%A7%A8%E0%A7%A7-%E2%86%92 Mon, 14 Jul 2025 16:46:48 +0000 ৫, ৭, ১০, ১৪, …, ২৫ ধারার শূন্যস্থতানের সংখ্যাটি কত? https://qnafy.com/14730/%E0%A7%AB-%E0%A7%AD-%E0%A7%A7%E0%A7%A6-%E0%A7%A7%E0%A7%AA-%E0%A7%A8%E0%A7%AB-%E0%A6%A7%E0%A6%BE%E0%A6%B0%E0%A6%BE%E0%A6%B0-%E0%A6%B6%E0%A7%82%E0%A6%A8%E0%A7%8D%E0%A6%AF%E0%A6%B8%E0%A7%8D%E0%A6%A5%E0%A6%A4%E0%A6%BE%E0%A6%A8%E0%A7%87%E0%A6%B0-%E0%A6%B8%E0%A6%82%E0%A6%96%E0%A7%8D%E0%A6%AF%E0%A6%BE%E0%A6%9F%E0%A6%BF-%E0%A6%95%E0%A6%A4 Arithmetic https://qnafy.com/14730/%E0%A7%AB-%E0%A7%AD-%E0%A7%A7%E0%A7%A6-%E0%A7%A7%E0%A7%AA-%E0%A7%A8%E0%A7%AB-%E0%A6%A7%E0%A6%BE%E0%A6%B0%E0%A6%BE%E0%A6%B0-%E0%A6%B6%E0%A7%82%E0%A6%A8%E0%A7%8D%E0%A6%AF%E0%A6%B8%E0%A7%8D%E0%A6%A5%E0%A6%A4%E0%A6%BE%E0%A6%A8%E0%A7%87%E0%A6%B0-%E0%A6%B8%E0%A6%82%E0%A6%96%E0%A7%8D%E0%A6%AF%E0%A6%BE%E0%A6%9F%E0%A6%BF-%E0%A6%95%E0%A6%A4 Mon, 14 Jul 2025 16:42:04 +0000 $P(A)=\frac13$, $P(B) = \frac34$, $A$ ও $B$ স্বাধীন হলে, $P(A∪B)$-এর মান কত? https://qnafy.com/14724/%24p-a-frac13%24-%24p-b-frac34%24-%24a%24-%E0%A6%93-%24b%24-%E0%A6%B8%E0%A7%8D%E0%A6%AC%E0%A6%BE%E0%A6%A7%E0%A7%80%E0%A6%A8-%E0%A6%B9%E0%A6%B2%E0%A7%87-%24p-a%E2%88%AAb-%24-%E0%A6%8F%E0%A6%B0-%E0%A6%AE%E0%A6%BE%E0%A6%A8-%E0%A6%95%E0%A6%A4 Arithmetic https://qnafy.com/14724/%24p-a-frac13%24-%24p-b-frac34%24-%24a%24-%E0%A6%93-%24b%24-%E0%A6%B8%E0%A7%8D%E0%A6%AC%E0%A6%BE%E0%A6%A7%E0%A7%80%E0%A6%A8-%E0%A6%B9%E0%A6%B2%E0%A7%87-%24p-a%E2%88%AAb-%24-%E0%A6%8F%E0%A6%B0-%E0%A6%AE%E0%A6%BE%E0%A6%A8-%E0%A6%95%E0%A6%A4 Mon, 14 Jul 2025 16:38:30 +0000 একটি সমবাহু ক্রিভুজের প্রত্যেকটি বাহুর দৈর্ঘ্য $2$ সে.মি. এবং উচ্চতা $x$ সে.মি. হলে, $x$ এর মান কোনটি? https://qnafy.com/14722/%E0%A6%8F%E0%A6%95%E0%A6%9F%E0%A6%BF-%E0%A6%B8%E0%A6%AE%E0%A6%AC%E0%A6%BE%E0%A6%B9%E0%A7%81-%E0%A6%95%E0%A7%8D%E0%A6%B0%E0%A6%BF%E0%A6%AD%E0%A7%81%E0%A6%9C%E0%A7%87%E0%A6%B0-%E0%A6%AA%E0%A7%8D%E0%A6%B0%E0%A6%A4%E0%A7%8D%E0%A6%AF%E0%A7%87%E0%A6%95%E0%A6%9F%E0%A6%BF-%E0%A6%AC%E0%A6%BE%E0%A6%B9%E0%A7%81%E0%A6%B0-%E0%A6%A6%E0%A7%88%E0%A6%B0%E0%A7%8D%E0%A6%98%E0%A7%8D%E0%A6%AF-%242%24-%E0%A6%B8%E0%A7%87-%E0%A6%AE%E0%A6%BF-%E0%A6%8F%E0%A6%AC%E0%A6%82-%E0%A6%89%E0%A6%9A%E0%A7%8D%E0%A6%9A%E0%A6%A4%E0%A6%BE-%24x%24-%E0%A6%B8%E0%A7%87-%E0%A6%AE%E0%A6%BF-%E0%A6%B9%E0%A6%B2%E0%A7%87-%24x%24-%E0%A6%8F%E0%A6%B0-%E0%A6%AE%E0%A6%BE%E0%A6%A8-%E0%A6%95%E0%A7%8B%E0%A6%A8%E0%A6%9F%E0%A6%BF Geometry https://qnafy.com/14722/%E0%A6%8F%E0%A6%95%E0%A6%9F%E0%A6%BF-%E0%A6%B8%E0%A6%AE%E0%A6%AC%E0%A6%BE%E0%A6%B9%E0%A7%81-%E0%A6%95%E0%A7%8D%E0%A6%B0%E0%A6%BF%E0%A6%AD%E0%A7%81%E0%A6%9C%E0%A7%87%E0%A6%B0-%E0%A6%AA%E0%A7%8D%E0%A6%B0%E0%A6%A4%E0%A7%8D%E0%A6%AF%E0%A7%87%E0%A6%95%E0%A6%9F%E0%A6%BF-%E0%A6%AC%E0%A6%BE%E0%A6%B9%E0%A7%81%E0%A6%B0-%E0%A6%A6%E0%A7%88%E0%A6%B0%E0%A7%8D%E0%A6%98%E0%A7%8D%E0%A6%AF-%242%24-%E0%A6%B8%E0%A7%87-%E0%A6%AE%E0%A6%BF-%E0%A6%8F%E0%A6%AC%E0%A6%82-%E0%A6%89%E0%A6%9A%E0%A7%8D%E0%A6%9A%E0%A6%A4%E0%A6%BE-%24x%24-%E0%A6%B8%E0%A7%87-%E0%A6%AE%E0%A6%BF-%E0%A6%B9%E0%A6%B2%E0%A7%87-%24x%24-%E0%A6%8F%E0%A6%B0-%E0%A6%AE%E0%A6%BE%E0%A6%A8-%E0%A6%95%E0%A7%8B%E0%A6%A8%E0%A6%9F%E0%A6%BF Mon, 14 Jul 2025 16:37:09 +0000 1-1+1-1+1-1+ … + n সংখ্যক পদের যোগফল কত হবে? https://qnafy.com/14718/1-1-1-1-1-1-n-%E0%A6%B8%E0%A6%82%E0%A6%96%E0%A7%8D%E0%A6%AF%E0%A6%95-%E0%A6%AA%E0%A6%A6%E0%A7%87%E0%A6%B0-%E0%A6%AF%E0%A7%8B%E0%A6%97%E0%A6%AB%E0%A6%B2-%E0%A6%95%E0%A6%A4-%E0%A6%B9%E0%A6%AC%E0%A7%87 Arithmetic https://qnafy.com/14718/1-1-1-1-1-1-n-%E0%A6%B8%E0%A6%82%E0%A6%96%E0%A7%8D%E0%A6%AF%E0%A6%95-%E0%A6%AA%E0%A6%A6%E0%A7%87%E0%A6%B0-%E0%A6%AF%E0%A7%8B%E0%A6%97%E0%A6%AB%E0%A6%B2-%E0%A6%95%E0%A6%A4-%E0%A6%B9%E0%A6%AC%E0%A7%87 Mon, 14 Jul 2025 16:34:08 +0000 Decimal সংখ্যা ৫৫-এর Octal মান কত? https://qnafy.com/14710/decimal-%E0%A6%B8%E0%A6%82%E0%A6%96%E0%A7%8D%E0%A6%AF%E0%A6%BE-%E0%A7%AB%E0%A7%AB-%E0%A6%8F%E0%A6%B0-octal-%E0%A6%AE%E0%A6%BE%E0%A6%A8-%E0%A6%95%E0%A6%A4 Arithmetic https://qnafy.com/14710/decimal-%E0%A6%B8%E0%A6%82%E0%A6%96%E0%A7%8D%E0%A6%AF%E0%A6%BE-%E0%A7%AB%E0%A7%AB-%E0%A6%8F%E0%A6%B0-octal-%E0%A6%AE%E0%A6%BE%E0%A6%A8-%E0%A6%95%E0%A6%A4 Mon, 14 Jul 2025 16:26:49 +0000 $a-b=5$ এবং $ab=36$ হলে, $a^3-b^3$ এর মান কত? https://qnafy.com/14444/%24a-b-5%24-%E0%A6%8F%E0%A6%AC%E0%A6%82-%24ab-36%24-%E0%A6%B9%E0%A6%B2%E0%A7%87-%24a-3-b-3%24-%E0%A6%8F%E0%A6%B0-%E0%A6%AE%E0%A6%BE%E0%A6%A8-%E0%A6%95%E0%A6%A4 Algebra https://qnafy.com/14444/%24a-b-5%24-%E0%A6%8F%E0%A6%AC%E0%A6%82-%24ab-36%24-%E0%A6%B9%E0%A6%B2%E0%A7%87-%24a-3-b-3%24-%E0%A6%8F%E0%A6%B0-%E0%A6%AE%E0%A6%BE%E0%A6%A8-%E0%A6%95%E0%A6%A4 Mon, 07 Jul 2025 13:28:20 +0000 যদি $a^3-b^3=513$ এবং $a-b=3$ হয়, তবে $ab$ এর মান কত? https://qnafy.com/14443/%E0%A6%AF%E0%A6%A6%E0%A6%BF-%24a-3-b-3-513%24-%E0%A6%8F%E0%A6%AC%E0%A6%82-%24a-b-3%24-%E0%A6%B9%E0%A7%9F-%E0%A6%A4%E0%A6%AC%E0%A7%87-%24ab%24-%E0%A6%8F%E0%A6%B0-%E0%A6%AE%E0%A6%BE%E0%A6%A8-%E0%A6%95%E0%A6%A4 Algebra https://qnafy.com/14443/%E0%A6%AF%E0%A6%A6%E0%A6%BF-%24a-3-b-3-513%24-%E0%A6%8F%E0%A6%AC%E0%A6%82-%24a-b-3%24-%E0%A6%B9%E0%A7%9F-%E0%A6%A4%E0%A6%AC%E0%A7%87-%24ab%24-%E0%A6%8F%E0%A6%B0-%E0%A6%AE%E0%A6%BE%E0%A6%A8-%E0%A6%95%E0%A6%A4 Mon, 07 Jul 2025 13:27:14 +0000 $x=19$ এবং $y=-12$ হলে, $8x^3+36x^2y+54xy^2+27y^3$ এর মান নির্ণয় কর। https://qnafy.com/14442/%24x-19%24-%E0%A6%8F%E0%A6%AC%E0%A6%82-%24y-12%24-%E0%A6%B9%E0%A6%B2%E0%A7%87-%248x-3-36x-2y-54xy-2-27y-3%24-%E0%A6%8F%E0%A6%B0-%E0%A6%AE%E0%A6%BE%E0%A6%A8-%E0%A6%A8%E0%A6%BF%E0%A6%B0%E0%A7%8D%E0%A6%A3%E0%A7%9F-%E0%A6%95%E0%A6%B0%E0%A5%A4 Algebra https://qnafy.com/14442/%24x-19%24-%E0%A6%8F%E0%A6%AC%E0%A6%82-%24y-12%24-%E0%A6%B9%E0%A6%B2%E0%A7%87-%248x-3-36x-2y-54xy-2-27y-3%24-%E0%A6%8F%E0%A6%B0-%E0%A6%AE%E0%A6%BE%E0%A6%A8-%E0%A6%A8%E0%A6%BF%E0%A6%B0%E0%A7%8D%E0%A6%A3%E0%A7%9F-%E0%A6%95%E0%A6%B0%E0%A5%A4 Mon, 07 Jul 2025 13:25:45 +0000 যদি $a=15$ হয়, তবে $8a^3+60a^2+150a+130$ এর মান কত? https://qnafy.com/14441/%E0%A6%AF%E0%A6%A6%E0%A6%BF-%24a-15%24-%E0%A6%B9%E0%A7%9F-%E0%A6%A4%E0%A6%AC%E0%A7%87-%248a-3-60a-2-150a-130%24-%E0%A6%8F%E0%A6%B0-%E0%A6%AE%E0%A6%BE%E0%A6%A8-%E0%A6%95%E0%A6%A4 Algebra https://qnafy.com/14441/%E0%A6%AF%E0%A6%A6%E0%A6%BF-%24a-15%24-%E0%A6%B9%E0%A7%9F-%E0%A6%A4%E0%A6%AC%E0%A7%87-%248a-3-60a-2-150a-130%24-%E0%A6%8F%E0%A6%B0-%E0%A6%AE%E0%A6%BE%E0%A6%A8-%E0%A6%95%E0%A6%A4 Mon, 07 Jul 2025 13:23:56 +0000 $a+b=3$ এবং $ab=2$ হলে, (ক) $a^2-ab+b^2$ এবং (খ) $a^3+b^3$ এর মান নির্ণয় কর। https://qnafy.com/14439/%24a-b-3%24-%E0%A6%8F%E0%A6%AC%E0%A6%82-%24ab-2%24-%E0%A6%B9%E0%A6%B2%E0%A7%87-%E0%A6%95-%24a-2-ab-b-2%24-%E0%A6%8F%E0%A6%AC%E0%A6%82-%E0%A6%96-%24a-3-b-3%24-%E0%A6%8F%E0%A6%B0-%E0%A6%AE%E0%A6%BE%E0%A6%A8-%E0%A6%A8%E0%A6%BF%E0%A6%B0%E0%A7%8D%E0%A6%A3%E0%A7%9F-%E0%A6%95%E0%A6%B0%E0%A5%A4 Algebra https://qnafy.com/14439/%24a-b-3%24-%E0%A6%8F%E0%A6%AC%E0%A6%82-%24ab-2%24-%E0%A6%B9%E0%A6%B2%E0%A7%87-%E0%A6%95-%24a-2-ab-b-2%24-%E0%A6%8F%E0%A6%AC%E0%A6%82-%E0%A6%96-%24a-3-b-3%24-%E0%A6%8F%E0%A6%B0-%E0%A6%AE%E0%A6%BE%E0%A6%A8-%E0%A6%A8%E0%A6%BF%E0%A6%B0%E0%A7%8D%E0%A6%A3%E0%A7%9F-%E0%A6%95%E0%A6%B0%E0%A5%A4 Mon, 07 Jul 2025 13:19:54 +0000 $a-b=5$ এবং $ab=36$ হলে, (ক) $a^2+ab+b^2$ এবং (খ) $a^3-b^3$ এর মান নির্ণয় কর। https://qnafy.com/14438/%24a-b-5%24-%E0%A6%8F%E0%A6%AC%E0%A6%82-%24ab-36%24-%E0%A6%B9%E0%A6%B2%E0%A7%87-%E0%A6%95-%24a-2-ab-b-2%24-%E0%A6%8F%E0%A6%AC%E0%A6%82-%E0%A6%96-%24a-3-b-3%24-%E0%A6%8F%E0%A6%B0-%E0%A6%AE%E0%A6%BE%E0%A6%A8-%E0%A6%A8%E0%A6%BF%E0%A6%B0%E0%A7%8D%E0%A6%A3%E0%A7%9F-%E0%A6%95%E0%A6%B0%E0%A5%A4 Algebra https://qnafy.com/14438/%24a-b-5%24-%E0%A6%8F%E0%A6%AC%E0%A6%82-%24ab-36%24-%E0%A6%B9%E0%A6%B2%E0%A7%87-%E0%A6%95-%24a-2-ab-b-2%24-%E0%A6%8F%E0%A6%AC%E0%A6%82-%E0%A6%96-%24a-3-b-3%24-%E0%A6%8F%E0%A6%B0-%E0%A6%AE%E0%A6%BE%E0%A6%A8-%E0%A6%A8%E0%A6%BF%E0%A6%B0%E0%A7%8D%E0%A6%A3%E0%A7%9F-%E0%A6%95%E0%A6%B0%E0%A5%A4 Mon, 07 Jul 2025 13:18:02 +0000 $m+\frac1m=a$ হলে, $m^3+\frac{1}{m^3}$ এর মান নির্ণয় কর। https://qnafy.com/14437/%24m-frac1m-a%24-%E0%A6%B9%E0%A6%B2%E0%A7%87-%24m-3-frac-1-m-3-%24-%E0%A6%8F%E0%A6%B0-%E0%A6%AE%E0%A6%BE%E0%A6%A8-%E0%A6%A8%E0%A6%BF%E0%A6%B0%E0%A7%8D%E0%A6%A3%E0%A7%9F-%E0%A6%95%E0%A6%B0%E0%A5%A4 Algebra https://qnafy.com/14437/%24m-frac1m-a%24-%E0%A6%B9%E0%A6%B2%E0%A7%87-%24m-3-frac-1-m-3-%24-%E0%A6%8F%E0%A6%B0-%E0%A6%AE%E0%A6%BE%E0%A6%A8-%E0%A6%A8%E0%A6%BF%E0%A6%B0%E0%A7%8D%E0%A6%A3%E0%A7%9F-%E0%A6%95%E0%A6%B0%E0%A5%A4 Mon, 07 Jul 2025 13:05:13 +0000 $x-\frac1x=p$ হলে, $x^3-\frac{1}{x^3}$ এর মান নির্ণয় কর। https://qnafy.com/14436/%24x-frac1x-p%24-%E0%A6%B9%E0%A6%B2%E0%A7%87-%24x-3-frac-1-x-3-%24-%E0%A6%8F%E0%A6%B0-%E0%A6%AE%E0%A6%BE%E0%A6%A8-%E0%A6%A8%E0%A6%BF%E0%A6%B0%E0%A7%8D%E0%A6%A3%E0%A7%9F-%E0%A6%95%E0%A6%B0%E0%A5%A4 Algebra https://qnafy.com/14436/%24x-frac1x-p%24-%E0%A6%B9%E0%A6%B2%E0%A7%87-%24x-3-frac-1-x-3-%24-%E0%A6%8F%E0%A6%B0-%E0%A6%AE%E0%A6%BE%E0%A6%A8-%E0%A6%A8%E0%A6%BF%E0%A6%B0%E0%A7%8D%E0%A6%A3%E0%A7%9F-%E0%A6%95%E0%A6%B0%E0%A5%A4 Mon, 07 Jul 2025 13:04:11 +0000 $a=\sqrt6+\sqrt5$ হলে, $\frac{a^6-1}{a^3}$ এর মান নির্ণয় কর। https://qnafy.com/14431/%24a-sqrt6-sqrt5%24-%E0%A6%B9%E0%A6%B2%E0%A7%87-%24-frac-a-6-1-a-3-%24-%E0%A6%8F%E0%A6%B0-%E0%A6%AE%E0%A6%BE%E0%A6%A8-%E0%A6%A8%E0%A6%BF%E0%A6%B0%E0%A7%8D%E0%A6%A3%E0%A7%9F-%E0%A6%95%E0%A6%B0%E0%A5%A4 Algebra https://qnafy.com/14431/%24a-sqrt6-sqrt5%24-%E0%A6%B9%E0%A6%B2%E0%A7%87-%24-frac-a-6-1-a-3-%24-%E0%A6%8F%E0%A6%B0-%E0%A6%AE%E0%A6%BE%E0%A6%A8-%E0%A6%A8%E0%A6%BF%E0%A6%B0%E0%A7%8D%E0%A6%A3%E0%A7%9F-%E0%A6%95%E0%A6%B0%E0%A5%A4 Mon, 07 Jul 2025 12:51:18 +0000 $a-b=4$ এবং $ab=60$ হলে, $a+b$ এর মান কত? https://qnafy.com/14382/%24a-b-4%24-%E0%A6%8F%E0%A6%AC%E0%A6%82-%24ab-60%24-%E0%A6%B9%E0%A6%B2%E0%A7%87-%24a-b%24-%E0%A6%8F%E0%A6%B0-%E0%A6%AE%E0%A6%BE%E0%A6%A8-%E0%A6%95%E0%A6%A4 Algebra https://qnafy.com/14382/%24a-b-4%24-%E0%A6%8F%E0%A6%AC%E0%A6%82-%24ab-60%24-%E0%A6%B9%E0%A6%B2%E0%A7%87-%24a-b%24-%E0%A6%8F%E0%A6%B0-%E0%A6%AE%E0%A6%BE%E0%A6%A8-%E0%A6%95%E0%A6%A4 Sat, 05 Jul 2025 15:17:23 +0000 $a+b=9m$ এবং $ab=18m^2$ হলে, $a-b$ এর মান কত? https://qnafy.com/14381/%24a-b-9m%24-%E0%A6%8F%E0%A6%AC%E0%A6%82-%24ab-18m-2%24-%E0%A6%B9%E0%A6%B2%E0%A7%87-%24a-b%24-%E0%A6%8F%E0%A6%B0-%E0%A6%AE%E0%A6%BE%E0%A6%A8-%E0%A6%95%E0%A6%A4 Algebra https://qnafy.com/14381/%24a-b-9m%24-%E0%A6%8F%E0%A6%AC%E0%A6%82-%24ab-18m-2%24-%E0%A6%B9%E0%A6%B2%E0%A7%87-%24a-b%24-%E0%A6%8F%E0%A6%B0-%E0%A6%AE%E0%A6%BE%E0%A6%A8-%E0%A6%95%E0%A6%A4 Sat, 05 Jul 2025 15:16:29 +0000 $2x+\frac2x=3$ হলে, $x^2+\frac1{x^2}$ এর মান কত? https://qnafy.com/14379/%242x-frac2x-3%24-%E0%A6%B9%E0%A6%B2%E0%A7%87-%24x-2-frac1-x-2-%24-%E0%A6%8F%E0%A6%B0-%E0%A6%AE%E0%A6%BE%E0%A6%A8-%E0%A6%95%E0%A6%A4 Algebra https://qnafy.com/14379/%242x-frac2x-3%24-%E0%A6%B9%E0%A6%B2%E0%A7%87-%24x-2-frac1-x-2-%24-%E0%A6%8F%E0%A6%B0-%E0%A6%AE%E0%A6%BE%E0%A6%A8-%E0%A6%95%E0%A6%A4 Sat, 05 Jul 2025 15:13:35 +0000 $a+b+c=9$ এবং $ab+bc+ca=31$ হলে $a^2+b^2+c^2$ এর মান নির্ণয় কর। https://qnafy.com/14376/%24a-b-c-9%24-%E0%A6%8F%E0%A6%AC%E0%A6%82-%24ab-bc-ca-31%24-%E0%A6%B9%E0%A6%B2%E0%A7%87-%24a-2-b-2-c-2%24-%E0%A6%8F%E0%A6%B0-%E0%A6%AE%E0%A6%BE%E0%A6%A8-%E0%A6%A8%E0%A6%BF%E0%A6%B0%E0%A7%8D%E0%A6%A3%E0%A7%9F-%E0%A6%95%E0%A6%B0%E0%A5%A4 Algebra https://qnafy.com/14376/%24a-b-c-9%24-%E0%A6%8F%E0%A6%AC%E0%A6%82-%24ab-bc-ca-31%24-%E0%A6%B9%E0%A6%B2%E0%A7%87-%24a-2-b-2-c-2%24-%E0%A6%8F%E0%A6%B0-%E0%A6%AE%E0%A6%BE%E0%A6%A8-%E0%A6%A8%E0%A6%BF%E0%A6%B0%E0%A7%8D%E0%A6%A3%E0%A7%9F-%E0%A6%95%E0%A6%B0%E0%A5%A4 Sat, 05 Jul 2025 15:08:00 +0000 $a^2+b^2+c^2=9$ এবং $ab+bc+ca=8$ হলে $(a+b+c)^2$ এর মান কত? https://qnafy.com/14375/%24a-2-b-2-c-2-9%24-%E0%A6%8F%E0%A6%AC%E0%A6%82-%24ab-bc-ca-8%24-%E0%A6%B9%E0%A6%B2%E0%A7%87-%24-a-b-c-2%24-%E0%A6%8F%E0%A6%B0-%E0%A6%AE%E0%A6%BE%E0%A6%A8-%E0%A6%95%E0%A6%A4 Algebra https://qnafy.com/14375/%24a-2-b-2-c-2-9%24-%E0%A6%8F%E0%A6%AC%E0%A6%82-%24ab-bc-ca-8%24-%E0%A6%B9%E0%A6%B2%E0%A7%87-%24-a-b-c-2%24-%E0%A6%8F%E0%A6%B0-%E0%A6%AE%E0%A6%BE%E0%A6%A8-%E0%A6%95%E0%A6%A4 Sat, 05 Jul 2025 15:05:53 +0000 $a+b+c=6$ এবং $a^2+b^2+c^2=14$ হলে, $(a-b)^2 +(b-c)^2$$+(c-a)^2=$ কত? https://qnafy.com/14374/%24a-b-c-6%24-%E0%A6%8F%E0%A6%AC%E0%A6%82-%24a-2-b-2-c-2-14%24-%E0%A6%B9%E0%A6%B2%E0%A7%87-%24-a-b-2-b-c-2%24%24-c-a-2-%24-%E0%A6%95%E0%A6%A4 Algebra https://qnafy.com/14374/%24a-b-c-6%24-%E0%A6%8F%E0%A6%AC%E0%A6%82-%24a-2-b-2-c-2-14%24-%E0%A6%B9%E0%A6%B2%E0%A7%87-%24-a-b-2-b-c-2%24%24-c-a-2-%24-%E0%A6%95%E0%A6%A4 Sat, 05 Jul 2025 15:04:00 +0000 $x=3$, $y=4$ এবং $z=5$ হলে, $9x^2+16y^2+4z^2$$-24xy-16yz+12zx=$ কত? https://qnafy.com/14341/%24x-3%24-%24y-4%24-%E0%A6%8F%E0%A6%AC%E0%A6%82-%24z-5%24-%E0%A6%B9%E0%A6%B2%E0%A7%87-%249x-2-16y-2-4z-2%24%24-24xy-16yz-12zx-%24-%E0%A6%95%E0%A6%A4 Algebra https://qnafy.com/14341/%24x-3%24-%24y-4%24-%E0%A6%8F%E0%A6%AC%E0%A6%82-%24z-5%24-%E0%A6%B9%E0%A6%B2%E0%A7%87-%249x-2-16y-2-4z-2%24%24-24xy-16yz-12zx-%24-%E0%A6%95%E0%A6%A4 Thu, 03 Jul 2025 14:15:06 +0000 $a^4+a^2b^2+b^4=8$ এবং $a^2+ab+b^2=4$ হলে নিচের প্রশ্নগুলোর উত্তর দাও। https://qnafy.com/14338/%24a-4-a-2b-2-b-4-8%24-%E0%A6%8F%E0%A6%AC%E0%A6%82-%24a-2-ab-b-2-4%24-%E0%A6%B9%E0%A6%B2%E0%A7%87-%E0%A6%A8%E0%A6%BF%E0%A6%9A%E0%A7%87%E0%A6%B0-%E0%A6%AA%E0%A7%8D%E0%A6%B0%E0%A6%B6%E0%A7%8D%E0%A6%A8%E0%A6%97%E0%A7%81%E0%A6%B2%E0%A7%8B%E0%A6%B0-%E0%A6%89%E0%A6%A4%E0%A7%8D%E0%A6%A4%E0%A6%B0-%E0%A6%A6%E0%A6%BE%E0%A6%93%E0%A5%A4 Algebra https://qnafy.com/14338/%24a-4-a-2b-2-b-4-8%24-%E0%A6%8F%E0%A6%AC%E0%A6%82-%24a-2-ab-b-2-4%24-%E0%A6%B9%E0%A6%B2%E0%A7%87-%E0%A6%A8%E0%A6%BF%E0%A6%9A%E0%A7%87%E0%A6%B0-%E0%A6%AA%E0%A7%8D%E0%A6%B0%E0%A6%B6%E0%A7%8D%E0%A6%A8%E0%A6%97%E0%A7%81%E0%A6%B2%E0%A7%8B%E0%A6%B0-%E0%A6%89%E0%A6%A4%E0%A7%8D%E0%A6%A4%E0%A6%B0-%E0%A6%A6%E0%A6%BE%E0%A6%93%E0%A5%A4 Thu, 03 Jul 2025 14:05:04 +0000 $\frac{1-tan^260^{\circ}}{1+tan^260^{\circ}}+sin^260^{\circ}$ এর মান নির্ণয় কর। https://qnafy.com/14328/%24-frac-1-tan-260-circ-1-tan-260-circ-sin-260-circ-%24-%E0%A6%8F%E0%A6%B0-%E0%A6%AE%E0%A6%BE%E0%A6%A8-%E0%A6%A8%E0%A6%BF%E0%A6%B0%E0%A7%8D%E0%A6%A3%E0%A7%9F-%E0%A6%95%E0%A6%B0%E0%A5%A4 Trigonometry https://qnafy.com/14328/%24-frac-1-tan-260-circ-1-tan-260-circ-sin-260-circ-%24-%E0%A6%8F%E0%A6%B0-%E0%A6%AE%E0%A6%BE%E0%A6%A8-%E0%A6%A8%E0%A6%BF%E0%A6%B0%E0%A7%8D%E0%A6%A3%E0%A7%9F-%E0%A6%95%E0%A6%B0%E0%A5%A4 Mon, 30 Jun 2025 06:19:07 +0000 $sin60^{\circ}\cdot cos30^{\circ}$$ + sec60^{\circ}\cdot sin30^{\circ}$ এর মান নির্ণয় কর। https://qnafy.com/14327/%24sin60-circ-cdot-cos30-circ-%24%24-sec60-circ-cdot-sin30-circ-%24-%E0%A6%8F%E0%A6%B0-%E0%A6%AE%E0%A6%BE%E0%A6%A8-%E0%A6%A8%E0%A6%BF%E0%A6%B0%E0%A7%8D%E0%A6%A3%E0%A7%9F-%E0%A6%95%E0%A6%B0%E0%A5%A4 Trigonometry https://qnafy.com/14327/%24sin60-circ-cdot-cos30-circ-%24%24-sec60-circ-cdot-sin30-circ-%24-%E0%A6%8F%E0%A6%B0-%E0%A6%AE%E0%A6%BE%E0%A6%A8-%E0%A6%A8%E0%A6%BF%E0%A6%B0%E0%A7%8D%E0%A6%A3%E0%A7%9F-%E0%A6%95%E0%A6%B0%E0%A5%A4 Mon, 30 Jun 2025 06:17:21 +0000 $cot90^{\circ}\cdot tan0^{\circ}\cdot $$sec30^{\circ}\cdot cosec60^{\circ}$ এর মান নির্ণয় কর। https://qnafy.com/14326/%24cot90-circ-cdot-tan0-circ-cdot-%24%24sec30-circ-cdot-cosec60-circ-%24-%E0%A6%8F%E0%A6%B0-%E0%A6%AE%E0%A6%BE%E0%A6%A8-%E0%A6%A8%E0%A6%BF%E0%A6%B0%E0%A7%8D%E0%A6%A3%E0%A7%9F-%E0%A6%95%E0%A6%B0%E0%A5%A4 Trigonometry https://qnafy.com/14326/%24cot90-circ-cdot-tan0-circ-cdot-%24%24sec30-circ-cdot-cosec60-circ-%24-%E0%A6%8F%E0%A6%B0-%E0%A6%AE%E0%A6%BE%E0%A6%A8-%E0%A6%A8%E0%A6%BF%E0%A6%B0%E0%A7%8D%E0%A6%A3%E0%A7%9F-%E0%A6%95%E0%A6%B0%E0%A5%A4 Mon, 30 Jun 2025 06:04:56 +0000 $\frac{1-sin^245^{\circ}}{1+sin^245^{\circ}}+tan^245^{\circ}$ এর মান নির্ণয় কর। https://qnafy.com/14325/%24-frac-1-sin-245-circ-1-sin-245-circ-tan-245-circ-%24-%E0%A6%8F%E0%A6%B0-%E0%A6%AE%E0%A6%BE%E0%A6%A8-%E0%A6%A8%E0%A6%BF%E0%A6%B0%E0%A7%8D%E0%A6%A3%E0%A7%9F-%E0%A6%95%E0%A6%B0%E0%A5%A4 Trigonometry https://qnafy.com/14325/%24-frac-1-sin-245-circ-1-sin-245-circ-tan-245-circ-%24-%E0%A6%8F%E0%A6%B0-%E0%A6%AE%E0%A6%BE%E0%A6%A8-%E0%A6%A8%E0%A6%BF%E0%A6%B0%E0%A7%8D%E0%A6%A3%E0%A7%9F-%E0%A6%95%E0%A6%B0%E0%A5%A4 Mon, 30 Jun 2025 06:00:34 +0000 $sec\left(90^{\circ}-\theta\right)=\frac53$ হলে, $cosec\theta-cot\theta$ এর মান নির্ণয় কর। https://qnafy.com/14324/%24sec-left-90-circ-theta-right-frac53%24-%E0%A6%B9%E0%A6%B2%E0%A7%87-%24cosec-theta-cot-theta%24-%E0%A6%8F%E0%A6%B0-%E0%A6%AE%E0%A6%BE%E0%A6%A8-%E0%A6%A8%E0%A6%BF%E0%A6%B0%E0%A7%8D%E0%A6%A3%E0%A7%9F-%E0%A6%95%E0%A6%B0%E0%A5%A4 Trigonometry https://qnafy.com/14324/%24sec-left-90-circ-theta-right-frac53%24-%E0%A6%B9%E0%A6%B2%E0%A7%87-%24cosec-theta-cot-theta%24-%E0%A6%8F%E0%A6%B0-%E0%A6%AE%E0%A6%BE%E0%A6%A8-%E0%A6%A8%E0%A6%BF%E0%A6%B0%E0%A7%8D%E0%A6%A3%E0%A7%9F-%E0%A6%95%E0%A6%B0%E0%A5%A4 Mon, 30 Jun 2025 05:51:07 +0000 $secA+tanA=\frac{5}{2}$ হলে, $secA-tanA$ এর মান নির্ণয় কর। https://qnafy.com/14278/%24seca-tana-frac-5-2-%24-%E0%A6%B9%E0%A6%B2%E0%A7%87-%24seca-tana%24-%E0%A6%8F%E0%A6%B0-%E0%A6%AE%E0%A6%BE%E0%A6%A8-%E0%A6%A8%E0%A6%BF%E0%A6%B0%E0%A7%8D%E0%A6%A3%E0%A7%9F-%E0%A6%95%E0%A6%B0%E0%A5%A4 Trigonometry https://qnafy.com/14278/%24seca-tana-frac-5-2-%24-%E0%A6%B9%E0%A6%B2%E0%A7%87-%24seca-tana%24-%E0%A6%8F%E0%A6%B0-%E0%A6%AE%E0%A6%BE%E0%A6%A8-%E0%A6%A8%E0%A6%BF%E0%A6%B0%E0%A7%8D%E0%A6%A3%E0%A7%9F-%E0%A6%95%E0%A6%B0%E0%A5%A4 Thu, 26 Jun 2025 06:43:38 +0000 $0^\circ \leq\theta\leq90^\circ$ এর জন্য, $sin\theta=$ এর সর্বোচ্চ মান কত? https://qnafy.com/14261/%240-circ-leq-theta-leq90-circ%24-%E0%A6%8F%E0%A6%B0-%E0%A6%9C%E0%A6%A8%E0%A7%8D%E0%A6%AF-%24sin-theta-%24-%E0%A6%8F%E0%A6%B0-%E0%A6%B8%E0%A6%B0%E0%A7%8D%E0%A6%AC%E0%A7%8B%E0%A6%9A%E0%A7%8D%E0%A6%9A-%E0%A6%AE%E0%A6%BE%E0%A6%A8-%E0%A6%95%E0%A6%A4 Trigonometry https://qnafy.com/14261/%240-circ-leq-theta-leq90-circ%24-%E0%A6%8F%E0%A6%B0-%E0%A6%9C%E0%A6%A8%E0%A7%8D%E0%A6%AF-%24sin-theta-%24-%E0%A6%8F%E0%A6%B0-%E0%A6%B8%E0%A6%B0%E0%A7%8D%E0%A6%AC%E0%A7%8B%E0%A6%9A%E0%A7%8D%E0%A6%9A-%E0%A6%AE%E0%A6%BE%E0%A6%A8-%E0%A6%95%E0%A6%A4 Tue, 24 Jun 2025 18:03:47 +0000 $tan(3A)=\sqrt3$ হলে, $A=$ কত? https://qnafy.com/14260/%24tan-3a-sqrt3%24-%E0%A6%B9%E0%A6%B2%E0%A7%87-%24a-%24-%E0%A6%95%E0%A6%A4 Trigonometry https://qnafy.com/14260/%24tan-3a-sqrt3%24-%E0%A6%B9%E0%A6%B2%E0%A7%87-%24a-%24-%E0%A6%95%E0%A6%A4 Tue, 24 Jun 2025 18:02:55 +0000 $cot(\theta-30^\circ)=\frac{1}{\sqrt3}$ হলে, $sin\theta=$ কত? https://qnafy.com/14259/%24cot-theta-30-circ-frac-1-sqrt3-%24-%E0%A6%B9%E0%A6%B2%E0%A7%87-%24sin-theta-%24-%E0%A6%95%E0%A6%A4 Trigonometry https://qnafy.com/14259/%24cot-theta-30-circ-frac-1-sqrt3-%24-%E0%A6%B9%E0%A6%B2%E0%A7%87-%24sin-theta-%24-%E0%A6%95%E0%A6%A4 Tue, 24 Jun 2025 18:02:08 +0000 $cos^2\theta-sin^2\theta=\frac{1}{3}$ হলে $cos^4\theta-sin^4\theta$ এর মান কত? https://qnafy.com/14258/%24cos-2-theta-sin-2-theta-frac-1-3-%24-%E0%A6%B9%E0%A6%B2%E0%A7%87-%24cos-4-theta-sin-4-theta%24-%E0%A6%8F%E0%A6%B0-%E0%A6%AE%E0%A6%BE%E0%A6%A8-%E0%A6%95%E0%A6%A4 Trigonometry https://qnafy.com/14258/%24cos-2-theta-sin-2-theta-frac-1-3-%24-%E0%A6%B9%E0%A6%B2%E0%A7%87-%24cos-4-theta-sin-4-theta%24-%E0%A6%8F%E0%A6%B0-%E0%A6%AE%E0%A6%BE%E0%A6%A8-%E0%A6%95%E0%A6%A4 Tue, 24 Jun 2025 17:57:30 +0000