The radius of the circle in which the sphere \[{{x}^{2}}+{{y}^{2}}+{{z}^{2}}+2x-2y-4z-19=0\] is cut by the plane \[x+2y+2z+7=0\]is [AIEEE 2003]

The radius of the circle in which the sphere \[{{x}^{2}}+{{y}^{2}}+{{z

1.	The radius of the circle in which the sphere \[{{x}^{2}}+{{y}^{2}}+{{z}^{2}}+2x-2y-4z-19=0\] is cut by the plane \[x+2y+2z+7=0\]is [AIEEE 2003]
A.	1
B.	2
C.	3
D.	4
Answer» D. 4

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