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

$\sqrt{16x^8}$

$f\left(x\right)=\frac{\left(x+4\right)^9}{\left(3x-6\right)^{10}}$

$\sec\left(0\right)cot\left(0\right)$

$\left(7x^2+4y^2\right)^2$

$\left(\frac{5\pi}{12}\right)+\left(\frac{7\pi}{12}\right)$

$f\left(x\right)=2sen\left(x-\frac{3\pi\:}{4}\right)-3$