If the squares of the lengths of the tangents from a point P to the circles x 2 + y 2 = a…
Mathematics · JEE Advanced · NTA Exams — Co-ordinate Geometry
If the squares of the lengths of the tangents from a point P to the circles x2 + y2 = a2, x2 + y2 = b2 and x2 + y2 = c2 are in A.P., then
- a, b, c are in GP
- a, b, c are in AP
- a2, b2, c2 are in AP
- a2, b2, c2 are in GP
Answer
(C) a 2 , b 2 , c 2 are in AP
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