$\frac{\tan\left(x\right)+\cot\left(x\right)}{\tan\left(x\right)-\cot\left(x\right)}+1$

$\int_{-1}^1\left(3x^2-2x\right)dx$

$5^264$

$-2xy^2+\:5x^2z\:x=1,\:y=-1\:z=2$

$\int\left(2x^4-1\right)^{\frac{1}{2}}\left(8x^3\right)dx$

$-2x^2+20x+100$

$\int\left(x\left(x^2-2\right)^{0.5}\right)dx$