$\lim_{x\to e}\left(ln\left(x\right)^{\frac{3}{x-e}}\right)$

$x^2+5x-14=0$

$\left(0-1\right)-\left(\infty-\infty\right)$

$\int\:\sqrt{4x-x^2}dx$

$\int8x^3e^{x^4}dx$

$\left(-\frac{1}{10}\right)^4\left(-10\right)^4$

$\frac{dy}{dx}-4cos\left(4x\right)y=-cos\left(4x\right)$