1a5 marks
Solutions to this question by accurate drawing will not be accepted.
A circle has equation .
(i)
Find the coordinates of the centre of the circle and the length of the radius.
(ii)
Hence show that the point (10, 6.5) lies inside the circle.
1b1 mark
A different circle has equation .
Show that the two circles touch. You are not required to find the coordinates of the common point.
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