$\frac{dy}{dx}\left(x^{8x}\right)$

$\lim_{x\to0}\left(\frac{\sec\left(x\right)-x}{\tan\left(x\right)-x}\right)$

$3.5\cdot10$

$\int\frac{22x^2}{sqrt\left(100-x^2\right)}dx$

$x^2y-xy-8;\:x=-1;\:y=2$

$\lim_{x\to0}\left(\frac{\left(x^2+3x+2\right)^2}{\left(x^2-1\right)\left(x^3+1\right)}\right)$

$x\left(3+2x\right)-1$