Find all the critical points
$\displaystyle f'(x)=ln(2/(1+x^{2}))$
I know you set the equation to 0
$\displaystyle 0=ln(2/(1+x^{2}))$ but not sure how to solve it
Find all the critical points
$\displaystyle f'(x)=\ln(2/(1+x^{2}))$
I know you set the equation to 0
$\displaystyle 0=\ln(2/(1+x^{2}))$ but not sure how to solve it