The locus of the feet of the perpendiculars drawn from either focus on a variable tangent to the hyperbola\[16{{y}^{2}}-9{{x}^{2}}=1\]is

The locus of the feet of the perpendiculars drawn from either focus on

1.	The locus of the feet of the perpendiculars drawn from either focus on a variable tangent to the hyperbola\[16{{y}^{2}}-9{{x}^{2}}=1\]is
A.	\[{{x}^{2}}+{{y}^{2}}=9\]
B.	\[{{x}^{2}}+{{y}^{2}}=1/9\]
C.	\[{{x}^{2}}+{{y}^{2}}=7/144\]
D.	\[{{x}^{2}}+{{y}^{2}}=1/16\]
Answer» E.

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The locus of the feet of the perpendiculars drawn from either focus on a variable tangent to the hyperbola\[16{{y}^{2}}-9{{x}^{2}}=1\]is

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