Question

Wht is a square root ?

Answer 1

Square Root. A square root of a number is a value that, when multiplied by itself, gives the number. Example: 4 × 4 = 16, so a square root of 16 is 4. Note that (−4) × (−4) = 16 too, so −4 is also a square root of 16.

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Answer 2

square of a particular number for example 81 is the square of 9

its symbol is

$\sqrt{?}$

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