$$\int\left(10.8\sqrt{-4x+5}\right)dx$$

$$\lim_{x\to2}\left(\frac{1}{\ln\left(x-1\right)}-\frac{2}{x-2}\right)$$

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

$$\int14^xdx$$

$$\frac{81}{100}a^2b-\frac{16}{49}b^2a$$

$$\lim_{x\to0}\left(\frac{2}{2^x-2^{-x}}\right)$$

$$\int\frac{x^5}{5+2x^6}\:dx$$