$$\lim_{x\to8}\left(\frac{\left(x^2-64\right)}{x^2-8x}\right)$$

$$\int\left(sin^{10}\left(3x\right)cos\left(3x\right)\right)dx$$

$$\int_{8\sqrt{3}}^{\infty}\left(\frac{1}{64+x^2}\right)dx$$

$$\left(\frac{3}{4}x+\frac{3}{5}y^3\right)^2$$

$$\frac{d}{dx}8x^7-4e^x$$

$$\int\frac{1}{\sqrt{x+1}+\sqrt[4]{x+1}\:}\:dx$$

$$\lim_{x\to\frac{\pi}{2}}\left(\frac{tanx}{ln\left(cosx\right)}\right)$$