$\int\left(e^{7x}\:sin\:8x\right)dx$

$\lim_{x\to0}\left(\tan\left(x\right)\right)^{\tan\left(2x\right)}$

$\frac{dy}{dx}=y^2+y+1$

$\left(\sqrt[2]{11}+\sqrt[2]{5}\right)\left(\sqrt[2]{11}-\sqrt[2]{5}\right)+\left(\sqrt[2]{5}+2\right)\left(\sqrt[2]{5}-2\right)$

$5ak\:-9ad\:+\:5hz+2y=\:3y\:+\:4ad\:-3ak\:+\:3hz$

$\frac{dy}{dx}\left(8x^4+5y^4=13xy\right)$

$x^2^4-y^{12}$