For two circles x2 + y2 = 16 and x2 + y2 - 2y = 0, there is / are – McqOptions

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1.	For two circles x2 + y2 = 16 and x2 + y2 - 2y = 0, there is / are
A.	One pair of common tangent
B.	Two pair of common tangents
C.	Three pair of common tangents
D.	No common tangents
Answer» E.

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