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Grade: 11
        
If the chord joining two points whose eccentric angles are α and β cuts the major axis of the ellipse x2/a2+y2/b2=1 at a distance of c from the centre, then tan(α/2).tan(β/2)=?
It is a multi correct question
A)1
B)c
C) c+a/c-a
D) c-a/c+a
Someone please answer.
one year ago

Answers : (1)

Arun
23478 Points
							
Dear student
 
It is defines ad tan A/2 tanB/2 = e +1 /e-1 it passes thriugh focus
 
Hope itbhelps
 
Regards
Arun
one year ago
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