Question

If $x=243$, then find the value of $x^{\frac{1}{5}}\times x^{-\frac{1}{5}}$

Answer 1

$\begin{array}{c}{x}^{\frac{1}{5}}\times x^{-\frac{1}{5}}=x^{\frac{1}{5}-\frac{1}{5}}\\ =x^0\\ ={\left(243\right)}^0\\ =1\end{array}$