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प्रश्न
The equation of the circle with centre (3, -4) and touches the x-axis is:
विकल्प
(x – 3)2 + (y – 4)2 = 4
(x – 3)2 + (y + 4)2 = 16
(x – 3)2 + (y – 4)2 = 16
x2 + y2 = 16
उत्तर
(x – 3)2 + (y + 4)2 = 16
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