105 views
in Algebra by
$a^2+b^2+c^2=9$ এবং $ab+bc+ca=8$ হলে $(a+b+c)^2$ এর মান কত?

1 Answer

0 like 0 dislike
by
selected by
 
Best answer
দেওয়া আছে,
$a^2+b^2+c^2=9$ এবং $ab+bc+ca=8$

প্রদত্ত রাশি,
$(a+b+c)^2$

$=a^2+b^2+c^2+2(ab+bc+ca)$

$=9+2\cdot8$
[ মান বসিয়ে ]

$=9+16$

$=25$ [Answer]

Related questions

10.4k questions

10.5k answers

122 comments

29 users

Welcome to QnAfy !

Ask questions, find answers, and spread the light of knowledge like the sun. On QnAfy, only registered users can post questions and answers.

If you are a teacher or student, you may register using your own name, your school/coaching center’s name, or your website’s name to actively contribute by asking or answering questions. This will help increase your or your institution’s visibility, and in the case of a website, it will boost your backlink profile as well.

So, Register Now

fb Group | fb Page
WhatsApp Message
Join Telegram Group

QnAfy – Where curiosity meets clarity.

Categories

For the best experience with math, please rotate your mobile to landscape mode or use a tablet, laptop, or PC for optimal viewing.
...