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

$\sec^2180=\frac{1}{\sin\left(x\right)^2\cdot\cos\left(x\right)^2}$

$-2x^4+5x^4$

$\left(\frac{4t}{x^6}^2\right)^4$

$\left(13^3\right)\left(13\right)$

$\int\left(f\right)dx$

$\sqrt{\sqrt{\left(x^{12}y^{18}\sqrt{x^2y}\right)}}$