A hyperbola passes through the foci of the ellipse and its transverse and conjugate axes coincide with major and minor axes of the ellipse, respectively. If the product of their eccentricities is one, then the equation of the hyperbola is :
Option: 1
Option: 2
Option: 3
Option: 4
Given equation of an ellipse is
Since, transverse and conjugate axes coincide with major and minor axes of the ellipse, so
These pass-through foci of the ellipse
So, the equation of the hyperbola is
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