Question
Consider two points A and B on the ellipse x225+y29=1
circles are drawn having segments of tangents at A and B in between tangents at the two ends of major axis of ellipse as diameter, then the length of common chord of the circles is
circles are drawn having segments of tangents at A and B in between tangents at the two ends of major axis of ellipse as diameter, then the length of common chord of the circles is
Answer: Option A
:
A
All such circles pass through foci ∴The common chord is of the length 2ae = 10×45=8
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:
A
All such circles pass through foci ∴The common chord is of the length 2ae = 10×45=8
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