$\int\frac{1}{\left(h^2+x^2\right)^{\frac{3}{2}}}dx$

$4\left(-2t-2\right)+3t$

$-\left(-123+13\right)-125+145$

$\frac{sen8xcos3x+cos7xsen2x}{sen10x}\:$

$\left(9a^4b^2\right)\left(16a^4b^{12}\right)$

$2xyz^2+xyz^2$

$\frac{d}{dx}\left(x^x\right)\ln\left(x^{cos\left(x\right)}\right)$