PQ is a tangent to the circle, centre C, with equation x + y + 6x

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PQ is a tangent to the circle, centre C, with equation x² + y² + 6x − 8y = 0.


a) Find the length of CQ. P has coordinates (3, −4).

b) Find the length of PQ.

c)
Calculate the length of the shortest distance from P to the circle.

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