How do you integrate $(x^{3} cos (x^{2}) d x)$ $(x^3cos(x^2)dx)$ ?

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Answer 1 · 2015-06-21T04:45:29

I found:
$\frac{1}{2} [x^{2} sin (x^{2}) + cos (x^{2})] + c$ $1/2[x^2sin(x^2)+cos(x^2)]+c$

I used Substitution and Integration by Parts:
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How do you integrate (x3cos(x2)dx)(x^3cos(x^2)dx)?