Evaluate ∫1xlnxdx\int \frac{1}{x\ln x} dx∫xlnx1dx.
ln∣lnx∣+C\ln|\ln x| + Cln∣lnx∣+C
(lnx)22+C\frac{(\ln x)^2}{2} + C2(lnx)2+C
1/x21/x^21/x2
lnx+C\ln x + Clnx+C