$9.32-0.7$

$\sqrt[3]{x\sin\left(2x\right)}\cos\left(\frac{1}{x}\right)+\sin\left(x\right)$

$\left(2a^2-b\right)\:\left(a^3+4b^2\right)$

$\int\tan^2\left(\frac{x}{5}\right)sec^4\left(\frac{x}{5}\right)dx$

$\left(-32\right)\cdot\left(-243\right)$

$\lim_{x\to\infty}\sqrt{n^4+2n^3}-n^2+n$

$\frac{dy}{dx}=\frac{-2xy}{x^2-1}$