Question

The value of (a) 10. (b) 15. (c) 20. (d) 25.

Answer 1

3^2(^3/2)-3*1-(3^-4)^(1/2)
3^3-3-3^
15

Answer 2

Solution:-

${9}^{ \frac{3}{2} } - 3 \times {5}^{0} - { (\frac{1}{81}) }^{ \frac{ - 1}{2} } \\ \sqrt[2 ]{729} - 3 - {81}^{ - 1 \times \frac{ - 1}{2} } \\ \sqrt[2]{729} - 3 - \sqrt{81} \\ \\ 27 - 3 - 9 \\ 15\: ans$
option (b) = 15 is right