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1. |
If the equation of a circle is ax2 + (2a - 3)y2 - 4x - 1 = 0, then its centre is: |
A. | (1, 1) |
B. | (2, 0) |
C. | \(\left( {\frac{2}{3},0} \right)\) |
D. | \(\left( { - \frac{2}{3},0} \right)\) |
Answer» D. \(\left( { - \frac{2}{3},0} \right)\) | |