$\int\frac{sec^2\left(2x\right)}{\sqrt{5+3tan\left(2x\right)}}dx$

$4xy^2\:+\:2x^2y^3\:y\:-\:xy^2\:+\:3x^2y^3\:-\:y^3$

$30-\left(-70\right)$

$\frac{d}{dx}\sqrt{x}-\frac{2x}{x^2y}-3y^3=5y^2x^3-\frac{2}{x^2}$

$x^2-11x-28$

$\int\left(9x-5\right)^{13}dx$

$\frac{\left(\sqrt[6]{x}+1\right)}{\left(\sqrt[6]{x^7}+\:\sqrt[4]{x^5}\right)}$