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If tanalphatanbeta=-(a^(2))/(b^(2)), the...

If `tanalphatanbeta=-(a^(2))/(b^(2))`, then the chord joining the points `'alpha'` and `'beta'` on the ellipse `(x^(2))/(a^(2))+(y^(2))/(b^(2))=1` will subtend a right angle at the :

A

centre

B

focus

C

end of major axis

D

end of minor axis

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The correct Answer is:
A
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MODERN PUBLICATION-ELLIPSE-(LEVEL-II) MCQ
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