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The lengths of the tangents from P(1,-1) and Q (3,3) to a circ
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The lengths of the tangents from P(1,-1) and Q (3,3) to a circle are and , respectively. Then,find the length of the tangent from R(-1,-5) to the same circle.

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The lengths of the tangents from P(1,-1) and Q (3,3) to a circle are and , respectively. Then,find the length of the tangent from R(-1,-5) to the same circle.
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Question Text
The lengths of the tangents from P(1,-1) and Q (3,3) to a circle are and , respectively. Then,find the length of the tangent from R(-1,-5) to the same circle.