Question

∫ ln x dx
=lnx ∫1 dx - ∫{ d/dx ln x ∫1 dx} dx
=x ln x-∫x/x dx
=x lnx-∫1 dx
=x ln x-x
=x(lnx-1) +c
is this the answer?

Answer 1

Yep!

Answer 2

thank you :)

Answer 3

:)