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

$$-3.2+5.6$$

$$\lim_{x\to\infty}\left(1-\frac{6}{x}\right)^{x+2}$$

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

$$\frac{3x^2e^{-x}}{x}$$

$$\frac{x}{x-2}-\frac{x}{x+2}-\frac{8}{x^2-4}$$

$$4abc^3-3ab^3c+7a^3bc$$