IMPLICIT DIFFERENTIATION

  $$\frac{dy}{dx}=-2x-y$$

$$\frac{dy}{dx}=-2x$$

$$\frac{dy}{dx}=2x-y$$

$$\frac{dy}{dx}=-2x-1$$

$$\frac{dy}{dx}=x^2y^2$$

$$\frac{dy}{dx}=\frac{x^2}{y^2}$$

$$\frac{dy}{dx}=-\frac{x^2}{y^2}$$

$$\frac{dy}{dx}=\frac{x}{y}$$

$$\frac{dy}{dx}=\ \frac{4x+3}{2y(2x^2+3x-1)}$$

$$\frac{dy}{dx}=\frac{1}{2y(2x^2+3x-1)}$$

$$\frac{dy}{dx}=2y(2x^2+3x-1)$$

$$\frac{dy}{dx}=-\frac{4x+3}{2y(2x^2+3x-1)}$$

$$\frac{dy}{dx}=-\frac{\sin x}{2y}$$

$$\frac{dy}{dx}=-\frac{\sin x}{2}$$

$$\frac{dy}{dx}=-\sin x$$

$$\frac{dy}{dx}=\frac{\sin x}{2y}$$

$$\frac{dy}{dx}=\ \frac{(3x^2-9y)}{(3y^2-9x)}$$

$$\frac{dy}{dx}=\ \frac{3y-x^2}{y^2-3x\ }$$

$$\frac{dx}{dx}=\frac{x^2}{y^2}-\frac{3y}{y}$$

none of the above

$$\frac{dy}{dx}=3\cos⁡y$$

$$\frac{dy}{dx}=\cos3y$$

$$\frac{dy}{dx}=3\cos3y$$

$$\frac{dy}{dx}=\frac{3}{\cos⁡y}$$

$$\frac{dy}{dx}=\ \frac{(8x^3+16x)\ }{2y}$$

$$\frac{dy}{dx}=\ \frac{(8x^3+16x)\ }{y}$$

$$\frac{dy}{dx}=\ \frac{2(8x^3+16x)\ }{y}$$

$$\frac{dy}{dx}=\ -\frac{(8x^3+16x)\ }{y}$$

$$\frac{dy}{dx}=-\frac{\cos x}{2y}$$

$$\frac{dy}{dx}=\frac{\cos x}{2y}$$

$$\frac{dy}{dx}=-\cos2y$$

$$\frac{dy}{dx}=-2\cos y$$