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1 Pure Mathematics

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Question 469

The points P(1,1)P(1, 1)P(1,1) and Q(8,8)Q(8, 8)Q(8,8) lie on the circle CCC, so that PQ PQ\,PQ is a chord of CCC.

The centre of C C\,C lies on the line with equation y=x+1y = x + 1y=x+1.

Find an equation for CCC.

[6]
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