$\frac{d}{dx}\left(\left(5x^4+4x^3\right)^{cos\left(x\right)}\right)$

$\:\lim_{h\to\frac{1}{2}}\frac{8h^3-1}{1-2h}$

$x^2-6x+14$

$\int x^2sen\left(x^3+5\right)\cos\left(x^3+5\right)dx$

$\int_{\frac{\pi}{3}}^{2\pi}\left(4cos^3xsinx\right)dx$

$3x^3+18x^2+15x$

$5\cdot6\cdot\left(-1\right)$