$\int\left(\log_x\right)dx$

$\frac{\tan\left(x\right)-\tan\left(x\right).\sin\left(x\right)^2}{\sin\left(x\right)}$

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

$\int\frac{sec^53x}{csc3x}dx$

$\left(6-2d\right)^3$

$\left(x^2+\frac{1}{3}\right)^4$

$\left(\sqrt{6+1}\right)^6-\left(\sqrt{6-1}\right)^6$