I'm desperately stuck on the following integral: Integral: x^5*e^(-1/2x^2) Thanks
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Parts reduces the x^5 by a power of 2 each time. So using it twice leaves which hopefully you can just integrate.
Thanks for the reply but I'm still a little confused. How does by parts reduce x^5 by 2 each time? Doesn't it only reduce it by one?
Take So We want I = uv - int(v)du So etc...
Originally Posted by Thomas154321 Take So (**) We want I = uv - int(v)du So etc... The (**) step is simply not true! The best thing to do first is a substitution giving the integration by parts twice.
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