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Dick
#2
Jan17-10, 12:20 PM
Sci Advisor
HW Helper
Thanks
P: 25,251
I really don't know how you are trying to do the problem. l'Hopital's rule doesn't tell you to integrate anything. Write it as ln(x)/cot(pi*x/2). Now it's a 0/0 form. Now differentiate numerator and denominator like l'Hopital says.