Question

The index form of "fith root of 31" is​

Answer 1

Extracting the square root is the inverse operation of ^2:

\underbrace{ {\rm \sqrt[2]{31} \times\thinspace ... \times\thinspace \sqrt[2]{31}} }_{\rm 2 \thickspace times} = \sqrt[2]{31}^{2}= 31

2times

2

31

×...×

2

31

=

2

31

2

=31