$\frac{dy}{dx}=\frac{\left(2x-1\right)}{\left(5x+1\right)}$

$\left(y^5-3y\right)\left(y^5+3y\right)$

$\lim_{n\to\infty}\left(\frac{2n}{n^2+1}\right)$

$\int\left(6xy^4e^{-y}\right)dy$

$\left(0.2a+8\right)\left(0.2a-8\right)$

$\lim_{h\to0}\frac{\sqrt[3]{2\left(x+h\right)^2}-\sqrt[3]{2x}}{h}$

$\log_{27}\left(x\right)=\frac{2}{3}$