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

$\frac{5\csc\left(y\right)}{\cot\left(y\right)}$

$\frac{x^3-3x^2+5x+1}{x+3}$

$\frac{dy}{dx}\left(3\right)\left(y+1\right)$

$-36\cdot16$

$\cos\left(x\right)+4=3$

$\lim_{x\to\infty}\left(\sqrt[3]{\frac{\left(3-\sqrt{x}\right)\left(\sqrt{x+2}\right)}{8x-4}}\right)$