$\int e^{4y}\sqrt[5]{1+e^{2y}}dy$

$a^2-24am^2+144m^4x^4$

$cos\left(5x\right)\:sen\left(5x\right)$

$\int\left(\frac{x}{\sqrt{x}}+\frac{x^3}{\sqrt[3]{x}}+x+x^5+\sqrt[3]{x}\right)dx$

$\int\arcsin\left(bx\right)dx$

$\lim_{x\to0}\left(\frac{5-5e^{4x}}{2x}\right)$

$\left(\frac{2}{3}+3y^3\right)\left(3y^3-\frac{4}{5}\right)$