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# CBSE Class 11-science Answered

(1) A circle is concentric with the ellipse  (x^2)/(a^2) + (y^2)/(b^2) =1 and passed through the focus F1 and F2 of the ellipse.  Two curves intersect at four points. Let  P  be any point of intersection. If the major axis of the ellipse is  15  and the area of the triangle PF1F2  = 26 , then find the value of 4a^2  - 4b^2 .

Asked by sudhanshubhushanroy | 20 Mar, 2018, 10:12: PM
Expert Answer
Answered by Sneha shidid | 21 Mar, 2018, 01:14: PM

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