a) Intergrate (4x+5)/(x^2 +2x + 2) b) Intergrate x^2 inversetan x thanks =)
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Originally Posted by duskmantle a) Intergrate (4x+5)/(x^2 +2x + 2) b) Intergrate x^2 inversetan x thanks =) Ad a) consider . Both terms on the left hand side are easy to integrate (by substitution). Ad b) I suggest using partial integration (integrate , differentiate ), then do a polynomial division, finally apply a substition .
Last edited by Failure; Aug 11th 2009 at 02:46 AM.
um i got part a thanks but part b i ended up having to intergrate -1/6x ...how do i intergrate that? =(
Originally Posted by duskmantle um i got part a thanks but part b i ended up having to intergrate -1/6x ...how do i intergrate that? =( Integrating would be easy However, I think you don't need that integral here, becaues I get And now you have . Integrating the first term is trivial and integrating the second term is done by substitution .
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