$\int_4^6\left(\frac{x^4y^3}{3}\right)dy$

$\frac{d}{dx}730+1x=\frac{340}{340+y}\cdot\:680$

$-x^2-2$

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

$\left(x^2+1\right)y'=xy$

$\left(x\cdot cos\left(x\right)-\sin\left(x\right)\right)^2$

$\lim_{x\to0}\left(\frac{3+x}{x\left(x-8\right)}\right)$