I just learned calculus, so I want to be able to figure out how to solve each step. If it is a paper answer hope to be able to clear the word, I am afraid that I will not understand the font, grateful.

20.1 Homework Practice Exercise 20.1: Integrate the following by Parts: a) [xex dx b) [xcos 4xdx c) [zhe'dz 7/6 e) [ e sin 2xdx n x In xdx g) [ex sin xdx h) Find the area under the curve of y = xvx+3 between x=0 and x = 2.20.1 Homework Practice Answers Exercise 20.1: X 2x a) 1 2x + C 4 b) - sin 4x +- cos 4x + C 4 16 c) er (=2 - 2z + 2) + 0 d) 1.60 e) *(sin 2.x - 2 cos 2.x) + C D) e- +1 4 3x g) (3 sin x - cos x) + C 10 h) 4.16