$\frac{dy}{dx}=x^5\left(y-4\right)$

$\left(x+2\right)^2-\left(y+2\right)^2$

$-2\ln\left(x-5\right)=-4$

$\int2\pi x\sqrt{1+16x^2}dx$

$\lim_{x\to2}\left(\frac{\cos\left(x\right)}{1-\sin\left(x\right)}\right)$

$\lim_{x\to\infty}\left(\frac{1}{3x^4+x^3-2x}\right)$

$\left(\frac{2}{7}x^3y^5+\frac{4}{9}x^4\right)$