If a circle passes through the point (0, 0), (a, 0), (0, b), then its centre is [MNR 1975]

\[\left( \frac{b}{2},\ -\frac{a}{2} \right)\]

\[\left( \frac{a}{2},\ \frac{b}{2} \right)\]

If a circle passes through the point (0, 0), (a, 0), (0, b), then its

1.	If a circle passes through the point (0, 0), (a, 0), (0, b), then its centre is [MNR 1975]
A.	\[(a,\ b)\]
B.	\[(b,\ a)\]
C.	\[\left( \frac{a}{2},\ \frac{b}{2} \right)\]
D.	\[\left( \frac{b}{2},\ -\frac{a}{2} \right)\]
Answer» D. \[\left( \frac{b}{2},\ -\frac{a}{2} \right)\]

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If a circle passes through the point (0, 0), (a, 0), (0, b), then its centre is [MNR 1975]

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