$\int\frac{\sqrt{64-x^2}}{18x}dx$

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

$\left(b^2-4x^4\right)^3$

$x\frac{dy}{dx}+3y=5x^2-7x$

$\left(\frac{5}{4}.-\frac{1}{3}\right)^2$

$\tan^{-1}\left(x\right)\int\left(\tan^{-2}\left(x\right)\right)dx$

$\left(mn+10p\right)^3$