Question

solve this :

$3 \sqrt[4]{5}$

Answer 1

$3 \sqrt[4]{5} \\ = {({3}^{4} )}^{ \frac{1}{4} } \times {5}^{ \frac{1}{4} } \\ = {({3}^{4} \times 5)}^{ \frac{1}{4} } \\ = {(81 \times 5)}^{ \frac{1}{4} } \\ = {405}^{ \frac{1}{4} } \\ = \sqrt[4]{405}$
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