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Q.) The sides AC and AB of a ΔABC touch the conjugate hyperbola of the hyperbola(x^2/a^2 )-(y^2/b^2)=1. A lies on the ellipse (x^2/a^2 )+(y^2/b^2)=1 touch If the vertex , then the side BC must
[A]parabola
[B]circle
[C]hyperbola
[D]ellipse