Question

Int 1/(x logx) w.r.t. x

Answer 1

$\bf HELLO \: \: DEAR,$


$\bf 1/(xlogx).dx$

$\bf let \: \: logx = u$

$\bf 1/x = du/dx$


$\bf dx = x * du$


now,

$\bf \int 1/x.u * x . du$


$\bf \int du/x = logu$

$\to \bf \: log(logx)$



$\underline {\bf I \: \: HOPE \: \: ITS \: \: HELP \: \: YOU \: \: DEAR, \: THANKS}$