12th Class
Mathematics
Sample Paper
Mathematics Olympiad - Sample Paper-5
question_answer
Let \[\vec{p}\] 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 perpendicular, then