$$\lim_{x\to1}\left(\frac{4}{x^{1-x}}\right)$$

$$\lim_{x\to0}\left(\frac{sen\left(7^{n+1}\right)-24}{n}\right)$$

$$\left(\frac{2}{3}\right)^5\cdot\frac{3^6}{2^4}$$

$$\frac{\sqrt{2}}{1}$$

$$x+6+x+14$$

$$\frac{3x^{3}+10x^{2}+7x}{x+1}$$

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