Director circle and auxiliary circle of a hyperbola - class-XI

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Question 1 of 40

For the hyperbola $\dfrac{x^2}{64}-\dfrac{y^2}{36}=1$, the equation of director circle is

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$x^2+y^2=100$

$2x^2+2y^2=100$

$x^2+y^2=28$

$x^2-y^2=100$

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