$\int\cos\left(\frac{x}{3}\right)^8dx$

$\left(\sqrt{2}+\sqrt{5}\right)\left(x-5\right)$

$\frac{x^2}{\left(1-2x\right)}=0$

$\left(36\right)^0$

$\frac{4x^3-6x^2+2x-9}{\left(2x\right)-1}$

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

$2\int_0^{\frac{\pi}{2}}\left(sin^2xcos^2x\right)dx$