Question

value of
[(81^-1/2)^-1/4]^2 ​

Answer 1

Answer:

3

Step-by-step explanation:

⇒[(1/81^1/2)^-1/4]^2

⇒[√1/81^-1/4]^2

⇒[9^1/4]^2

⇒[9]^1/4×2

⇒9^1/2

⇒√9

⇒3

Reciprocal karne pe sign badal jata hai.