Question

What is the perfect square of 72?

Answer 1

`=color(blue)(6sqrt2`

Explanation:

`72` is not a perfect square, however the square root of `72` can be simplified further by prime factorising 72

`sqrt72=sqrt(2*2*2*3*3)`

`=sqrt(2^2 * 2 * 3^2)`

`=color(blue)(6sqrt2`