$\left(4a^2\:+\:3ab^3\right)^2$

$\lim_{x\to\infty}\left(\frac{\left(\sin\left(9x\right)\right)}{17x}\right)$

$2x-3\le10$

$4\:cos\:\left(x\right)cos\:\left(y\right)=x$

$\frac{d}{dx}\left(y^2+y=\sin\left(2x\right)\right)$

$\log\left(x\right)^2=log\:\left(x\right)^4$

$\int_0^2\left(x\cdot e^{-x}\right)$