$\frac{x^2+5x+3}{x+6}$

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

$\sqrt[4]{16x^5}\sqrt[4]{2x^3}y^4$

$\sin\left(\frac{\pi}{3}+\frac{\pi}{4}\right)$

$\int4^{6x^{10}}10x^9dx$

$5^5^5^5^5$

$\int\left(\frac{1}{\sqrt{\left(36-x^2\right)}}\right)dx$