How do you find the integral of #int4x^3 sin(x^4) dx#?
2 Answers
Apr 20, 2018
Explanation:
The following substitution will do:
So, we see this is a valid substitution, as
We get
Rewriting in terms of
Apr 20, 2018
Explanation:
we note that teh function in front of
is the
so we suspect the integral is of the form