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JEE Mains Model Paper 6

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Question : 6 of 90
 
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Let P1, P1′ be the feet of the perpendicular drawn from focus on a tangent to an ellipse whose length of semi main axis is 20, if
10
Σ
i=1
 (SP1) (S'P1') = 2560 then the value of eccentricity is
Validate
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