$\ln\left(\cos\left(y\right)\right)dx+x\tan\left(y\right)dy=0$

$\int_{10}^{20}\left(2t-3\right)dx$

$1\cdot2^{-4}$

$\int\left(x+3\right)^3\:dx$

$\int\frac{\sqrt{x}^2+25}{4x}dx$

$\left(+64\right)+\left(-101\right)+\left(-80\right)+\left(+49\right)$

$6\frac{dy}{dx}=e^{3x+2y}$