Question
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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Practice questions from similar books
Question 1
Tangents are drawn to from any arbitrary point P on the line .Prove that corresponding chords of contact pass through a fixed point and find that point. Question 2
If is the equation of a diameter of the circle which touches the lines and , then find the centre and radius of the circle. 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. |