Question

решите плиииз
log½(x+5)=-2

Answer 1

$log_{ frac{1}{2}}(x+5)=-2 \ \ x+5 textgreater 0rightarrow x textgreater -5 \ \ x+5=( frac{1}{2})^{-2} \ x+5=2^2=4 \ x=4-5=-1in (-5;+infty) \ underline{x=-1}$