$\left(h-1\right)^3$

$\int\frac{e^{6\sqrt{t}}}{\sqrt{t}}dt$

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

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

$1223+615+-63+-120$

$11x^2-2-4x-6x^2-17$

$5x^3y^2-15x^2y^2-90xy^2+200y$