To calculate: The polar equation of the parabola whose eccentricity is 1, equation of directrix is
Answer to Problem 38E
The polar equation of the parabola is
Explanation of Solution
Given information:
Characteristics ofparabola are eccentricity is 1, equation of directrix is
Formula used:
When polar equations are either of the form
When
When
When
Also, for the conic
Calculation:
Consider the parabola whose eccentricity is 1, equation of directrix is
It is provided that equation of directrix is
Recall that for the conic
Also it is provided that eccentricity is 1 and
Substitute
Thu, the polar equation of the parabola is
Chapter 10 Solutions
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