$$\lim_{x\to\infty}\left(x\right)^{\frac{1}{ln\left(x\right)}}$$

$$\int x\left(6x^2+3x-4\right)dx$$

$$\lim_{x\to-2}\left(\frac{4x^2+7x-2}{x^2-5x+14}\right)$$

$$cos=-\frac{2}{5}$$

$$\frac{x}{2}+\frac{y}{4}$$

$$\left(x^5+32\right)\left(x+2\right)$$

$$\int_5^{\infty}\left(\frac{1}{x^2-5x+4}\right)dx$$