Question

If p divides a^2 then why it also divides a?

Answer 1

Q .
If p divides a² then why it also divides a ?

Ans :-

Let's take an example

as a² be 625 then a be 25
and p be 5

5 divides 625
and it divide 25 too.

The no. which divides the square of any no. will also divide that particular no.

Answer 2

A no. that divides the square of any no.
will divide that particular no. !