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Eccentric angle of a point on the ellips...

Eccentric angle of a point on the ellipse `x^(2)/4+y^(2)/3=1` at a distance 2 units from the centre of ellipse is:

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The correct Answer is:
4
As `l_(1)^(2)+l_(2)^(2)=(SS_(1))^(2) (S,S_(1)` are focii of ellipse)
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