$\frac{m^6-27n^3}{m^3-3n}$

$\frac{0.4}{1.234}\frac{\left(1\:\right)}{1.234}$

$\lim_{x\to\infty}\cot\left(\frac{2}{x}\right)\ln\left(1+\frac{3}{x}\right)$

$\int_1^9\left(\frac{1}{x\sqrt{4x^2}+9}\right)dx$

$\left(-178\right)\left(-413\right)$

$5x^2y^3\sqrt[7]{x}\sqrt[7]{y^4}\sqrt[7]{z^2}$

$\int\left(\cot^2\left(2x\right)+\cot^4\left(2x\right)\right)dx$