Question

Calcule:
$\sqrt[4]{ \frac{ 2^{29}+ 2^{31} }{10} }$

Answer 1

$\sqrt[4]{\frac{2^{29}+2^{31}}{10}}=\sqrt[4]{\frac{2^{29}*(1+2^2)}{2*5}}=\sqrt[4]{\frac{2^{28}*5}{5}}=\sqrt[4]{2^{28}}=2^{\frac{28}{4}}=2^{7}=\boxed{128}$