Topic: integration by parts
5 items are filed under this topic.
ex sin(x)
? 1/2 ex cos(x) + 1/2 ex sin(x).
This is easy to confirm by differentiation, however I am confounded as how to arrive at the answer.
1)the integral of: x5 arctan x dx
2)the integral of: 2x5 + 9x4 + 19x3 + 13x2 - 5x - 25 ----------------------------------------------- dx x4 + 4x3 + 5x2