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Homework Statement
Integrate x^3sqrt(x^2+4)
The attempt at a solution
I have no idea how to substitute this integral in my favor. Can someone please set me on the right track? Thanks
charbon said:I'm sorry but I'm really clueless.
What step in my substitution did I do wrong?
Your work is correct - it's mine that is in error. Sorry for giving bad advice.charbon said:I'm sorry but I'm really clueless.
What step in my substitution did I do wrong?
charbon said:Thank you both very much. The answer they give is [1/15(x^2+4)^3/2](3x^2-8) + c