Thread: Integrate

Can someone start me out with this?

(lnx)^2 dx

I thought to make u = lnx, but then du = dx/x... I cant use it with that x, can I?

thanks!

Originally Posted by Morgan82

Can someone start me out with this?

(lnx)^2 dx

I thought to make u = lnx, but then du = dx/x... I cant use it with that x, can I?

thanks!

See here

Originally Posted by Morgan82

Can someone start me out with this?

(lnx)^2 dx

I thought to make u = lnx, but then du = dx/x... I cant use it with that x, can I?

thanks!

Remember that .

So use integration by parts.

You will need to make use of the fact that .