What will be the equation of the circle whose centre is (1, 2) and which passes through the point (4, 6)?
- A$${x^2} + {y^2} - 2x - 4y - 20 = 0$$
- B$${x^2} + {y^2} + 2x + 4y - 20 = 0$$
- C$${x^2} - {y^2} - 2x - 4y + 20 = 0$$
- D$${x^2} - {y^2} + 2x - 4y - 20 = 0$$
✓ Correct answer: A
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