To find: The polar equation given conic with given conditions and focus at the pole.
Answer to Problem 110RE
The required equation of parabola is
Explanation of Solution
Given information:
The given conic is parabola with vertex
Formula used:
The formula to find the polar equation of conic is:
Here, p is the distance between the pole and the directrix.
Calculation:
The given conic is parabola so the eccentricity will be:
The given vertex is
The focus and the directrix have the same distance from the focus. The distance between the pole and the directrix
The directrix is horizontal and above the pole. To find the polar equation of parabola, substitute
Therefore, the required equation of parabola is
Chapter 10 Solutions
EBK PRECALCULUS W/LIMITS
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