$\int\left(\frac{2}{u\left(2u-1\right)}\right)du$

$\int-4x^3sin\left(x^4\right)dx$

$\frac{11}{12}-\frac{1}{6}q+\frac{5}{6}q-\frac{1}{3}\:$

$\lim_{x\to\infty}\left(\frac{1-x^2}{e^x}\right)$

$\int\left(6x+9\right)^2dx$

$4-8\cos^2\left(5x\right)$

$\left(6y^2-3y^5\right)^2$