$\int\left(\frac{1}{3\sqrt{x}\left(5+\sqrt{x}\right)}\right)dx$

$\sec\left(x\right)^2-\tan\left(x\right)$

$\left(\sqrt{y}-\:\frac{1}{3}x\right)^4$

$\left(2x\right)\left(+3\right)^2$

$\frac{3}{2}\left(10u-6\right)$

$\int\frac{1}{\sqrt{\left(\frac{9}{4}\right)-u^2}}du$

$\sin2\left(x\right)\cot\left(x\right)\csc\left(x\right)$