Question

Este corecta urmatoarea rezolvarea?

Answer 1

$2^{(-\frac{1}{3})^{-1}}=2^{(-\frac{3}{1})^{1}}=\\ \\=2^{-3}=\\ \\=(\frac{1}{2})^{3}=\\ \\=\frac{1^{3}}{2^{3}}=\\ \\=\frac{1}{8}=\\ \\=0,125$