The equation of a circle, C1C_1, is

  1. (i)

    Find the coordinates of the centre of C1C_1 and its radius.

  2. (ii)

    Find the equation of the circle, C2C_2, which is a reflection of C1C_1 in the line y=1y = 1.

  3. (iii)

    Given that the line intersects the circle, C1C_1, at two points, RR and SS, find the equation of the perpendicular bisector of the line RSRS.

Circles中文
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