$\lim_{x\to\infty}\left(\frac{\sqrt{a^2+c^2+a^2b^2\left(x+1\right)^2}}{\left(x+1\right)^2}\right)$

$\frac{dy}{dx}=-3y=1$

$1\:2\:1\:\:\:a\:4\:b\:6\:-\:1\:4\:4\:x\:8\:y\:1\:2$

$\int_2^44xdx$

$\frac{d}{dx}\frac{x^2-y^2}{x^2+y^2}$

$\sqrt{36.81}$

$1\:750\:+15\:+\:23\:+\:560$