Question

calcule: (7/6)² : (7/6)-⁴ preciso dos calculos 

Answer 1

$( \frac{7}{6})^2= \frac{7^2}{6^2}= \frac{49}{36}$

$( \frac{7}{6} )^{-4} = \frac{ 7^{-4} }{ 6^{-4} } = \frac{ \frac{1}{7^4} }{ \frac{1}{6^2} } = \frac{ \frac{1}{49} }{ \frac{1}{36} }= \frac{1}{49}* \frac{36}{1}= \frac{36}{49}$