$\frac{dp}{dt}=-\frac{1}{2}tp$

$3\:x\:1\:x\:y$

$\left(\frac{-5x^{-2}y}{x}\right)^3$

$0=2\sin\left(x\right)+\sqrt{3}\tan\left(x\right)$

$\log\left(x\right)+\log\left(x+4\right)=4$

$\frac{6}{\left(x-3\right)\left(x-1\right)}$

$\frac{dy}{dx}=\left(y-3\right)^2x^{\frac{1}{2}}$