3.1 Antiderivatives

1.

(a) $\displaystyle{-\frac{3}{2}x^{-2} + \frac{2}{3}x^{6}}$(b) $\displaystyle{\frac{t^4}{4} + \tan^{-1}(t)}$(c) $\displaystyle{-2(\tan{x} - x)}$(d) $\displaystyle{\frac{2}{7}x^{\frac{7}{2}} + 2x^{\frac{1}{2}}}$

(e) $\displaystyle{x + \frac{1}{2}\tan^{-1}{\frac{x}{2}}}$(f) $\displaystyle{\sin^{-1} (\frac{t}{2})}$(g) $\displaystyle{\frac{x}{2} + \frac{\sin{2x}}{4}}$(h) $\displaystyle{\log{\vert t + \sqrt{t^2 + 4}\vert}}$

(i) $\displaystyle{\frac{1}{4}\log{\left\vert\frac{2+x}{2-x}\right\vert}}$