$\left(\frac{2a^4}{3c^5}\right)^2$

$589.45+231.78$

$\frac{dy}{dx}=x-2y+12$

$\frac{t^3u^{-1}v^{-1}w^4}{t^5u^{-1}v^0w.t^{-1}u^{-1}vw^0}$

$3x+5\ge2x-3$

$\lim_{x\to\infty}\left(\frac{e^{\frac{x}{19}}}{x}\right)$

$\int\frac{9x-5}{\left(x-1\right)\left(x+2\right)\left(x-3\right)}dx$