CircleHard
Question
Locus of the feet of the perpendiculars drawn from either foci on a variable tangent to the hyperbola 16y2 - 9x2 = is -
Options
A.x2 + y2 = 9
B.x2 + y2 = 1/9
C.x2 + y2 = 7/144
D.x2 + y2 = 1/16
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