Question

log2^2x=4 помогите срочно

Answer 1

Ответ:

0,25;4.

$log_{2} {}^{2} (x) = 4 \\ 1) log_{2}(x) = 2 \\ x = {2}^{2} \\ x = 4 \\ 2) log_{2}(x) = - 2 \\ x = {2}^{ - 2} \\ x = \frac{1}{4} \\ x = 0.25$