Question

find the smallest whole number by which 108 should be multipled so has to get a perfect square number also find the square root of number

Answer 1

(i) 108 = 2 x 2 x 3 x 3 x 3

Here, prime factor 3 has no pair. Therefore 108 must be multiplied by 3 to make it a perfect square.

$\bold{And \: \sqrt{324}=2\times3\times3=18}$