$\frac{dy}{dx}\left(x^3+y+e^xy=0\right)$

$75.1\:+56.13$

$\left(\tan y+\cot\left(y\right)\right)\:\sin\left(y\right)\cos\left(y\right)$

$a+b+a-b-2a-b$

$\lim\:_{x\to\:7}\left(\frac{x^2-2x-35}{x-7}\right)$

$4\:tan\:x\:+\:4=\:2\:tan\:x$

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