6) √72= √3*25= √3*2*12= √3*3*2*2*2 =3*2√2 =6√2
(just break down the numbers until they are prime numbers. )
8) √8=2√2
10) √175= 5√7
12) √192= 8√3
14) √32= 4√2
let the number be x .
we have given a statement that four times a square of number is equal to 36.
so we have frame the equation. option B will be the equation represents that four times a square of number is 3.
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