Question

what is square roots

Answer 1

Let a number be x. Square root of the number x will be the number which when multiplied by itself once obtains x. In other terms,
If a x a = x then square root of x is a.

Hope that helps !!

Answer 2

Square roots of a number is equal to √number.
Let a be the number.Square root of it is √a
Example √4 = 2 and 2*2=4