$\left(9\:\frac{1}{2}a^2b^3\right)\left(-\frac{2}{19}a^{10}b^{10}\right)$

$\int\frac{2}{x\left(x+2\right)}dx$

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

$\frac{x^3+6x^2-4x+19}{x-3}$

$\left(2b^3+5a^4n\right)\cdot\left(4b^6+10a^4b^3\right)$

$y=\ln\sqrt[3]{x}$

$\int\left(\sqrt{x}i\right)dx$