Posted by Anonymous on Wednesday, December 12, 2012 at 10:53am.
the integrand is x/(x^2+1)+2/(x-1)
so integral is
1/2 log (x^2+1) + 2 log(x-1)
= log [√(x^2+1)/(x-1)^2]
oops
log [√(x^2+1)*(x-1)^2]
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