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Homework Statement
For the curve x2+3xy+y2 = 5
show that [itex]\frac{dy}{dx} =- \frac{2x+3y}{3x+2y}[/itex]
Homework Equations
N.A.
The Attempt at a Solution
2x + 3xy + 2y[itex]\frac{dy}{dx}[/itex] = 0
3x + 2y [itex]\frac{dy}{dx}[/itex] = -2x+ 3y
∴ [itex]\frac{dy}{dx} =- \frac{2x+3y}{3x+2y}[/itex]
have I done this correctly?