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

$\sqrt{a^2b^2}$

$\frac{sec\left(x\right)-csc\left(x\right)}{sec\left(x\right)+csc\left(x\right)}$

$v\left(5\right)=5^2$

$\lim_{x\to\infty}\left(\frac{x^5}{e^{5x}}\right)$

$\left(2y^3\right)\left(2yx^3\right)^4$

$\left(\tan\left(x\right)+1\right)^2+\left(\tan\left(x\right)-1\right)^2+\tan\left(x\right)^2$