The coordinates of the centre of the circle having the points (9, 3) and (1, -1) as the end points of the diameter is ………………..
The coordinates of the centre of the circle having the points (9, 3) and (1, -1) as the end points of the diameter is ………………..
A) (6, 9)
B) (5, 1)
C) (1, 3)
D) (- 1, – 3)
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