Question: (a) What is the eccentricity of a conic section? (b) What can you say about the eccentricity if the conic section is an ellipse? A

(a) What is the eccentricity of a conic section?
(b) What can you say about the eccentricity if the conic section is an ellipse? A hyperbola? A parabola?
(c) Write a polar equation for a conic section with eccentricity e and directrix x = d. what if the directrix is x = - d? y = d? y = - d?

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