To find:
The polar equation of the conic with its focus at the pole.
Answer to Problem 101CR
The polar equation of the conic is
Explanation of Solution
Given information:
The conic is ellipse and its vertex at
Calculation:
For the given parabola the vertex is given as,
Because the directrix is vertical and to the right of the pole the equation of the
The length of the major axis is the distance between the 2 vertices,
So,
The distance from center to focus
Here,
The eccentricity
Substitute the equation,
To get the value of
Hence, the required equation of the conic section is,
Therefore, the polar equation of the conic is
Chapter 9 Solutions
PRECALCULUS W/LIMITS:GRAPH.APPROACH(HS)
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