$4^{-2}\left(16\right)+4^{\frac{1}{2}}\left(16^{\frac{3}{4}}\right)+3^0$

$\int\left(3x^2-1\right)\ln\left(x\left(1+x\right)\left(1-x\right)\right)dx$

$\lim_{x\to0}\left(\frac{ln\left(1+5x\right)}{2-2\cos\left(x\right)}\right)$

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

$2x^2-2xy+2y^2$

$\int\frac{2-5x}{x\left(x+1\right)^2}dx$

$\int x^3cos\:\frac{x}{2}\:dx$