Question

Find the integral

see in comment box!! =)

Answer 1

\[\int\limits \frac{ 1 }{ x(\ln x)^{5} } dx\]

Answer 2

u = ln x
du = 1/x (dx)

Answer 3

put ln x=u\[\frac{ 1 }{ x }dx=du\]\[\int\limits u ^{-5}du=?\]

Answer 4

yes i got that for u
how did you get u^-5 ?

Answer 5

\[\frac{ 1 }{ u^5 }=u ^{-5}\]

Answer 6

okay thx

Answer 7

yw