.

3.3 Integration by parts

1.

(a) $\displaystyle{xe^{x} - e^{x} + C}$ (b) $\displaystyle{-x\cos{x} + \sin{x} + C}$ (c) $\displaystyle{\frac{1}{4}e^{2x}(2x - 1) + C}$

(d) $\displaystyle{(x^{2} - 2x + 2)e^{x} + C}$

(e) $\displaystyle{(2-x^{2})\cos{x} + 2x\sin{x} + C}$ (f) $\displaystyle{\frac{1}{3}e^{x^{3}}(x^{3} - 1) + C}$

(g) $\displaystyle{x\sin{x} + \cos{x} + C}$