Radius of the circle \[{{x}^{2}}+{{y}^{2}}+2x\cos \theta \] \[+2y\sin \theta -8=0\], is [MNR 1974]

Radius of the circle \[{{x}^{2}}+{{y}^{2}}+2x\cos \theta \] \[+2y\si

1.	Radius of the circle \[{{x}^{2}}+{{y}^{2}}+2x\cos \theta \] \[+2y\sin \theta -8=0\], is [MNR 1974]
A.	1
B.	3
C.	\[2\sqrt{3}\]
D.	\[\sqrt{10}\]
Answer» C. \[2\sqrt{3}\]

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Radius of the circle \[{{x}^{2}}+{{y}^{2}}+2x\cos \theta \] \[+2y\sin \theta -8=0\], is [MNR 1974]

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