$f(x) = \frac{1}{x \log x}$

A cura di: Administrator

$f(x) = frac{1}{x log x}$
$frac{0cdot (x log x) – 1cdot (1cdot log x + xcdot 1/x)}{(x log x)^2} =$ $-frac{log x + 1}{x^2 log^2 x}$