$\int\left(3x+4\right)^{-6}dx$

$360\cdot29,7$

$\lim_{c\to2}\left(\frac{\sin\left(3c^2-12\right)}{c-2}\right)$

$4x^2-4x+\frac{4^2}{4}$

$\frac{7x^3-x+2+2}{x+2}$

$\left(cot\:x\:-1\right)^2+\:\left(cot\:x\:+1\right)^2=\:2\:csc^2x$

$\left(f^2g^{\frac{3}{2}}\right)\left(fg^4\right)^{-1}$