$1-x\ge1$

$\frac{d}{dx}5\cos\left(6x^2-6\right)^3$

$8xe^3x$

$\frac{2sin\left(x\right)^2-2sin\left(x\right)+cos^2\left(x\right)}{sin\left(x\right)-1}$

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

$\lim\:_{h\to\:0}\left(\frac{sen\left(hx\right)^2-sen\left(hy\right)^2}{hx-hy}\right)$

$\left(p^2-2q^2+3r^3\right)^2$