$\int\frac{1}{\sqrt{49-36x^2}}dx$

$\frac{d}{dx}e^{3x}\:+e^{5x}$

$\lim_{x\to\infty\:}\left(\frac{8x-3}{4x^2-3x+7}\right)$

$\frac{m^6-27n^3}{m^3-3n}$

$\int x\cdot\sin\left(\frac{1}{9}x\right)$

$\left(\sqrt[2]{x}-\sqrt[3]{y}\right)\left(\sqrt[2]{x}+\sqrt[3]{y}\right)$

$1=x^2$