The conic with focus at the origin, directrix $x = 8$, and eccentricity $\frac{1}{2}$ has polar equation $r = $ help (formulas)
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A conic section is the intersection of a plane and a double-napped cone. The conic section can be a circle, ellipse, parabola, or hyperbola, depending on the angle at which the plane intersects the cone. Show more…
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