Question

gostaria de saber,por favor qual o log2 1/4

Answer 1

Olá!!

$\log_2 \frac{1}{4} = \\\\ \log_2 \frac{1}{2^2} = \\\\ \log_2 \left ( \frac{1}{2} \right )^2 = \\\\ \log_2 \left ( 2^{- 1} \right )^2 = \\\\ \log_2 2^{- 2} = \\\\ \boxed{\boxed{- 2}}$