$$sin^2x+3cos^2x=0$$

$$\frac{-4x^{10}}{-7xy^2}$$

$$\frac{dy}{dt}=ky\left(16-y\right)$$

$$\int_0^{\frac{\pi}{x}}\left(\frac{\cos\left(x\right)}{\sqrt{\sin\left(x\right)}}\right)dx$$

$$2xy+2xy$$

$$\int\frac{x^{2}+1}{x-1}dx$$

$$\left(x\right)-7x^3-3x^2-x+10$$