Question

If n is any prime number and a square is divisible by n,then n will also divide a. Justify.

Answer 1

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Heya Here's your ans.... ✌️

"n" is a prime number. If N divides a^2 then N also divides "a"

Let n = 3 & a = 9

a^2 = 9^2

a^2 = 81

Here,

81/3 = 27

&

n divides a^2

Now,

9/3 = 3

Here n also divides "a"

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