\[y=mx\] is a chord of a circle of radius a and the diameter of the circle lies along x-axis and one end of this chord in origin .The equation of the circle described on this chord as diameter is [MP PET 1990]

\[(1+{{m}^{2}})({{x}^{2}}+{{y}^{2}})+2a(x+my)=0\]

\[(1+{{m}^{2}})({{x}^{2}}+{{y}^{2}})-2ax=0\]

\[(1+{{m}^{2}})({{x}^{2}}+{{y}^{2}})-2a(x+my)=0\]

\[(1+{{m}^{2}})({{x}^{2}}+{{y}^{2}})-2a(x-my)=0\]

\[y=mx\] is a chord of a circle of radius a and the diameter of the ci

1.	\[y=mx\] is a chord of a circle of radius a and the diameter of the circle lies along x-axis and one end of this chord in origin .The equation of the circle described on this chord as diameter is [MP PET 1990]
A.	\[(1+{{m}^{2}})({{x}^{2}}+{{y}^{2}})-2ax=0\]
B.	\[(1+{{m}^{2}})({{x}^{2}}+{{y}^{2}})-2a(x+my)=0\]
C.	\[(1+{{m}^{2}})({{x}^{2}}+{{y}^{2}})+2a(x+my)=0\]
D.	\[(1+{{m}^{2}})({{x}^{2}}+{{y}^{2}})-2a(x-my)=0\]
Answer» C. \[(1+{{m}^{2}})({{x}^{2}}+{{y}^{2}})+2a(x+my)=0\]

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\[y=mx\] is a chord of a circle of radius a and the diameter of the circle lies along x-axis and one end of this chord in origin .The equation of the circle described on this chord as diameter is [MP PET 1990]

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