$$\int11x^2e^{-4x^3}dx$$

$$\left(x^k+2\right)\left(x^k-6\right)$$

$$t=3\cdot\left(sqrt\left(y\right)\right)-h+\left(h\cdot log\left(sqrt\left(y\right)-h\right)\right)$$

$$\lim_{x\to\infty}\left(\frac{x^2}{1-\cos\left(x\right)}\right)$$

$$\left(x^2-x\right)-\left(4y^2-2y\right)+\left(z^2\right)-4$$

$$\frac{dy}{dx}=\frac{\left(x-9\right)y^8}{x^2\left(6y^5-y\right)}$$