Radius of the circle x2 + y2 – 4x + 2y – 31 = 0 is – McqOptions

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1.	Radius of the circle x2 + y2 – 4x + 2y – 31 = 0 is
A.	4 units
B.	2 units
C.	6 units
D.	31 units
Answer» D. 31 units

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