substituted it to dv = e^(x) dx v = e^(x) u = (cos(x)) u = -sin(x) dx and this one goes infinity for me help needed for what to sub ... i dunno how the integrator got a short answer
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Originally Posted by ^_^Engineer_Adam^_^ substituted it to dv = e^(x) dx v = e^(x) u = (cos(x)) u = -sin(x) dx and this one goes infinity for me help needed for what to sub ... i dunno how the integrator got a short answer Give this integral a name, Let After doing integration by parts you get, After doing integration by parts again you get, And it seems it goes on forever. But So, Thus, Thus,
thanks alot
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