Question

Чему равен х
log0,5x=4
log0,5x=-1

Answer 1

$log_{0,5}x=4;\ 0,5^{log_{0,5}x}=0,5^4;\ x=0,5^4=left(frac12right)^4=frac{1}{16}=0,0625;\ \ \ log_{0,5}x=-1;\ 0,5^{log_{0,5}x}=0,5^{-1};\ x=0,5^{-1}=left(frac12right)^{-1}=2$