$\int\sin\left(3x\right)\cos\left(6x\right)dx$

$\frac{d^2y}{dx^2}\left(\frac{1}{2}x-\frac{2}{5}x^{-4}-x^3-\frac{1}{15}\right)$

$\sqrt[3]{27^{12}b^{30}}$

$\sqrt{1-y^2}dx\:=\:\sqrt{1-x^2}dy$

$\lim_{x\to0}\left(\frac{2sin\left(x\right)-sin\left(2x\right)}{2e^{-x}-2+2x-x^2}\right)$

$m-16=4$

$16x^2y+32xy^2-48xy$