$$\int_{-\frac{1}{2}}^{\frac{3}{4}}\left(\sqrt{1+x^3}\right)dx$$

$$64b^2-48b^2+12b-1$$

$$\left(x^3+4x^2+14x+20\right)$$

$$\int_{-1}^3e^{2x}dx$$

$$\lim_{x\to\infty}\left(\frac{ln\left(2x\right)}{ln\left(4x\right)}\right)$$

$$1+n=3$$