Question

The value of [ (81)1/2 ]1/2 is​

Answer 1

Answer:

I hope this will helpful to you

Answer 2

3

Step-by-step explanation:

$\{(81 {)}^{ \frac{1}{2} } \}^{ \frac{1}{2} } \\ \\ = > \{(9 \times 9 {)}^{ \frac{1}{2} } { \}}^{ \frac{1}{2} } \\ \\ = > \{( {9}^{2} {)}^{ \frac{1}{2} } { \}}^{ \frac{1}{2} } \\ \\ = > \{ {9}^{ \cancel{2} \times \frac{1}{ \cancel{2}} } { \}}^{ \frac{1}{2} } \\ \\ = > \{9 { \}}^{ \frac{1}{2} } \\ \\ = > \{3 \times 3 { \}}^{ \frac{1}{2} } \\ \\ = > \{ {3}^{2} { \}}^{ \frac{1}{2} } \\ \\ = > {3}^{ \cancel{2 }\times \frac{1}{ \cancel{2} }} \\ \\ = > 3$

hence the answer is 3.

hope it helps.