Let p and q be the position vectors of P and Q respectively, with respect to O and | p…
Mathematics · JEE Advanced · NTA Exams — Vector Algebra
Let \(\vec{p} \text { and } \vec{q}\) be the position vectors of P and Q respectively, with respect to O and \(|\vec{p}|=p,|\vec{q}|=q .\)The points R and S divide PQ internally and externally in the ratio 2 : 3 respectively. If OR and OS are perpendiculars then
- 9p2 = 4q2
- 4p2 = 9q2
- 9p = 4q
- 4p = 9q
Answer
(A) 9 p 2 = 4 q 2
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