$6\sqrt[3]{x^2}+4\csc^2\left(x\right)$

$\lim_{x\to0}\left(\frac{\sin\left(x\right)}{x^2-1}\right)$

$\left\{42\left(\frac{1}{7}z^7+\frac{1}{6}\right)\right\}^2$

$\int_0^{\frac{\pi}{2}}\left(\frac{1}{3+\cos\left(2x\right)}\right)dx$

$\int x^2\sqrt{\frac{1}{9}x^3-9}dx$

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

$-3+4\cdot6$