$$\int_0^{\infty}ln\left(1+\frac{1}{\sqrt{x}}\right)dx$$

$$\left(2x^3-6x\right)^2$$

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

$$-\left(y-3\right)\left(y+4\right)$$

$$-559.0-111.8$$

$$y\cos\left(x\right)-\cos\left(x\right)+\frac{dy}{dx}=0$$

$$\left(x-2e^{\frac{1}{u}}\right)dy=-\left(u\right)dx$$