Question

find the value of( 81)½​

Answer 1

∆ Given :-

Find the value of (81)½...

∆ Solution :-

$(81 {)}^{ \frac{1}{2} } \\ \\ = ( {9}^{2} {)}^{ \frac{1}{2} } \\ \\ = ( {9}^{ \cancel2} {)}^{ \frac{1}{ \cancel2} } \\ \\ = {9}^{1} \\ \\ \bf = 9$