JEE Class main Answered
Solve the question in photo
Asked by Vidushi412 | 04 Apr, 2019, 12:22: PM
Expert Answer
Distance between foci = 2 a e ..................(1)
where 2a is length of major axis and e is eccentricity
if S1 and S2 are foci and P is any point on ellipse, then S1P + S2P = 2 a .............................(2)
Hence perimeter, ( 2 a ) + ( 2 a e ) = 10 + 10 e = 15 or e = 0.5
Answered by Thiyagarajan K | 04 Apr, 2019, 02:53: PM
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