Question

el valor de x en logx 8 =-3

Answer 1

$b^{y} = x$
$log_{b} (x)=y$$log_{x}(8)=-3$
$x^{-3} =8$
$\frac{1}{x^{3} } =8$
$\frac{1}{8}= x^{3}$
$\sqrt[3]{1/8} =x$
$\sqrt[3]{1/ 2^{3} } =x$
$+- \frac{1}{2} =x$