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. \(\left( { - \frac{2}{3},0} \right)\)


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