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# Show by implicit differentiation that the ellipse$\frac {x^2}{a^2} + \frac {y^2}{b^2} = 1$at the point $( x_o, y_o)$ is$\frac {x_o x}{a^2} + \frac {y_o y}{b^2} = 1$

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Derivatives

Differentiation

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Derivatives

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