Question

Find cube root of $1331$

Answer 1

Concept - cube root means we have to raise its power by $\frac{1}{3}$.

Here we have to calculate $(1331{)}^{\frac{1}{3}}$

$1331=11\times 121$

$1331=11\times 11\times 11={11}^3$

Cube root $=(1331{)}^{\frac{1}{3}}=({11}^3{)}^{\frac{1}{3}}=11$