9709 P11 - Jun 2020 - Q10
639
The coordinates of the points A and B are (-1, -2) and (7, 4) respectively.
(a) Find the equation of the circle, C, for which AB is a diameter.
(b) Find the equation of the tangent, T, to circle C at the point B.
(c) Find the equation of the circle which is the reflection of circle C in the line T.
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