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JEE Main 2000Medium

Q.The equation of the director circle of the ellipse x2/25+y2/16=1x^2/25 + y^2/16 = 1 is

a
x2+y2=41x^2 + y^2 = 41
b
x2+y2=9x^2 + y^2 = 9
c
x2+y2=25x^2 + y^2 = 25
d
x2+y2=16x^2 + y^2 = 16

Correct Answer: Option A

The correct solution involves applying the fundamental concept to derive the final value step by step...

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