$\frac{dy}{dx}=\frac{7y^2}{x}$

$\frac{dy}{dx}=\frac{2x\left(1+e^y\right)}{e^y\left(1+x^2\right)}$

$\sqrt[3]{\frac{8x^3+48x^2+96x+64}{x^3+3x^2+3x+1}}$

$\left(1+\sqrt{x}\right)^4$

$\lim_{x\to\infty}\left(\frac{9x-1}{sinx}\right)$

$\left(-5a-2b\right)^2$

$\cos\left(2x\right)-11\cos\left(x\right)+6=0$