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

$\int\left|a-by\right|^4dx$

$g\left(x\right)=2x^3+\frac{29}{3}x^2-\frac{40}{3}x+4$

$\left(a^{10}\right)\left(10b^{12}\right)^2$

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

$\int\left(6x\cdot\sqrt{2x+1}\right)dx$

$\int\left(\frac{5u}{\sqrt{u-8}}\right)dx$