Question

calcule o valor da potencia
(1 1/5)^-2
calculo completo.

Answer 1

$( \frac{11}{5} )^{-2}= \frac{1}{( \frac{11}{5} )^{2}}= \frac{1}{ \frac{121}{25} } = \frac{25}{121}$

Espero ter ajudado.

Answer 2

(1+1/5)-²
(5/5+1/5)-²
(6/5)-²
(5/6)²
(5/6)(5/6)=25/36