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Let P be a variable point on the elipse `(x^(2))/(a ^(2)) +(y ^(2))/(b ^(2)) =1` with foci `F_(1) and F_(2).` If A is the area of the triangle `PF _(1) F_(2),` then maximum value of A is

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MCGROW HILL PUBLICATION-APPLICATIONS OF DERIVATIVES-Exercise ( NUMERICAL ANSWER TYPE QUESTIONS)
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