Question

differentiate the x² + xy + y = 10​

Answer 1

${x}^{2} + xy + y = 10 \\ 2x + y + x \frac{dy}{dx} + \frac{dy}{dx} = 0 \\ \frac{dy}{dx} (x + 1) = - 2x - y \\ \frac{dy}{dx} = \frac{ - 2x - y}{x + 1}$