Thew length of the latus rectum of a parabola, whose vertex and focus are on the positive x-axis at a distance R and S (>R) respectively from the origin, is:
Thew length of the latus rectum of a parabola, whose vertex and focus are on the positive x-axis at a distance R and S (>R) respectively from the origin, is:
Option 1 -
4(S + R)
Option 2 -
2(S + R)
Option 3 -
2(S – R)
Option 4 -
4(S – R)
Asked by Shiksha User
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1 Answer
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Correct Option - 4
Detailed Solution:Length of latus rectum = 4 (distance between vertex and focus) = 4 (S – R)
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