Question

$why \: \: \sqrt{a} \times \sqrt{a} = a$
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Answer 1

HEre Is Your Ans ⤵

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$= > \sqrt{a} \times \sqrt{a} \\ \\ = > {( \sqrt{a} )}^{2} \\ \\ = > {({a}^{ \frac{1}{2} })}^{2} \\ \\ = > {(a)}^{ \frac{2}{2} } \\ \\ = > a$

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Hope It Helps U

Answer 2

Step-by-step explanation:

√a×√a=a

√a×√a means square root of a two times.

so we can write it in the form of:

(√a)²

square root means half of the value.

So,

a½*²

powers cut ..

and (a) is left .

In short,

√a*√a=(√a)²

a ½*²

=a. . ,Hence proved

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