$$\int7sen^2\:x\:dx$$

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

$$3-5+4-2+8$$

$$\left(2^3\right)\left(2\right)\left(2^3\right)$$

$$\sqrt{20x^7}y\cdot\sqrt{5x^4}y$$

$$\frac{dy}{dx}=y,\:y\left(0\right)=3$$

$$\int\left(x+1\right)^2\log\left(x+1\right)dx$$