Question

Which of the following is (are) not equal to ${\left\{{\left(\frac{5}{6}\right)}^{1/5}\right\}}^{-1/6}$?
(a) ${\left\{{\left(\frac{5}{6}\right)}^{\frac{1}{5}}\right\}}^{-\frac{3}{6}}$

(b) $\frac{1}{{\left\{{\left(\frac{5}{6}\right)}^{1/5}\right\}}^{1/6}}$

(c) ${\left(\frac{6}{5}\right)}^{1/30}$

(d) ${\left(\frac{5}{6}\right)}^{-1/30}$

Answer 1

We have to find the value of

So,

Hence the correct choice is .