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Eamcet Mathematics
Co - ordinate Geometry Parabola
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Q.
If PSQ is the focal chord of the parabola y
2
=8ax such that sp=6. Then the length SQ is
A.
6
B.
4
C.
3
D.
2
E.
None of the above
View Answer
Correct choice: C
Explanation:
Since the semi-latus rectum of a parabola is the harmonic mean between the segments of any focal chord of a parabola, therefore SP, 4, SQ are in H.P.
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