Question

cu cat este egal x de aici? lnx=-1/2

Answer 1

x=e^-1/2=1/radical din e.
$1 \div \sqrt{e}$

Answer 2

$lnx=-\frac{1}{2} \\ x>0,x=e^{-\frac{1}{2} } \\ x=\frac{1}{e^{\frac{1}{2} } }\\ x=\frac{1}{\sqrt{e} }$