How do you integrate #int x^2e^(x^3)# by parts?
1 Answer
Dec 18, 2016
Using integration by parts is very artificial for this integral. Substitution is much more reasonable.
Explanation:
Let
The integral becomes
# = 1/3 e^u + C#
# = 1/3 e^(x^3) + C#
If I am told that I must use parts ,
I'll let
so that
And
# = 1/3 e^(x^3) + C# .