The equation of the locus of foot of perpendiculars drawn from the ori – McqOptions

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1.	The equation of the locus of foot of perpendiculars drawn from the origin to the line passing through a fixed point (a, b), is
A.	\[{{x}^{2}}+{{y}^{2}}-ax-by=0\]
B.	\[{{x}^{2}}+{{y}^{2}}+ax+by=0\]
C.	\[{{x}^{2}}+{{y}^{2}}-2ax-2by=0\]
D.	None of these
Answer» B. \[{{x}^{2}}+{{y}^{2}}+ax+by=0\]

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