Please don't give me the entire problem, I just can't figure out what technique I need to use to get started. Should I just do a substitution? I tried doing u=lnx, but that square root is throwing me.
Thanks!
Please don't give me the entire problem, I just can't figure out what technique I need to use to get started. Should I just do a substitution? I tried doing u=lnx, but that square root is throwing me.
Thanks!
Your pick for the substitution is correct.
Let
The trick here is to note that
So now when you apply the substitution, the integral becomes
Now to get rid of , recall that we let
Thus, you integral (including change of limits) becomes