Question

Using identity,find the value of
$161 \times 161 - 61 \times 61$
​

Answer 1

^2=square

161 x 161 - 61 x 61
= a^2 - b^2
=161^2 - 61^2
= 25,921 - 3,721
=22,200

Answer 2

$\huge{\boxed{\boxed{\red{\ulcorner{\mid{\overline{\underline{\bf{Answer:-}}}}}\mid}}}}$

$\rightarrow \huge \red{22200}$

${\star {\underline {\underline{formula}}}}$

${a}^{2} - {b}^{2} = (a + b)(a - b)$

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