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সমাধান কর: $\left(y+5\right)\left(y-5\right)=24$

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$\left(y+5\right)\left(y-5\right)=24$

বা, $y^2-5^2=24$

বা, $y^2-25=24$

বা, $y^2=24+25$

বা, $y^2=49$

বা, $\sqrt{y^2}=\sqrt{49}$
[উভয় পাশে বর্গমূল করে]

$\therefore y=\pm7$

সুতরাং নির্ণেয় সমাধান $y=7$ অথবা $-7$ [Answer]

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