The number of common tangents to the circles \[{{x}^{2}}+{{y}^{2}}-x=0,\,{{x}^{2}}+{{y}^{2}}+x=0\]is [EAMCET 1994]

The number of common tangents to the circles \[{{x}^{2}}+{{y}^{2}}-x=0

1.	The number of common tangents to the circles \[{{x}^{2}}+{{y}^{2}}-x=0,\,{{x}^{2}}+{{y}^{2}}+x=0\]is [EAMCET 1994]
A.	2
B.	1
C.	4
D.	3
Answer» E.

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The number of common tangents to the circles \[{{x}^{2}}+{{y}^{2}}-x=0,\,{{x}^{2}}+{{y}^{2}}+x=0\]is [EAMCET 1994]

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