CircleMedium
Question
From a point P tangent is drawn to the circle x2 + y2 = a2 and a tangent is drawn to x2 + y2 = b2. If these tangent are perpendicular, then locus of P is -
Options
A.x2 + y2 = a2 + b2
B.x2 + y2 = a2 − b2
C.x2 + y2 = (ab)2
D.x2 + y2 = a + b
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