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If the chord joining two points whose e...

If the chord joining two points whose eccentric angles are `alpha` and `beta` cut the major axis of an ellipse `(x^(2))/(a^(2))+(y^(2))/(b^(2))=1` at a distance from the centre then `tan (alpha)/(2).tan (beta)/(2)` =

A

`(c+a)/(c-a)`

B

`(c-a)/(c+a)`

C

`(c )/(a )`

D

c+a

Text Solution

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The correct Answer is:
B
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AAKASH SERIES-ELLIPSE-EXERCISE-II
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