$-y^2dv+y\sqrt{v}dy=0$

$\left(-2x-7\right)\left(-2x+7\right)$

$\frac{182}{14}$

$\lim_{x\to169}\left(\frac{\sqrt{x-13}}{x-169}\right)$

$\int\frac{1+\sqrt{x^2+1}}{\left(x^2+1\right)^{\frac{3}{2}}}dx$

$\left(2x^3+3y\right)\left(2x^2-3y^3\right)$

$17+\left|-15-\left(-24\right)\right|$