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प्रश्न
Select the correct option from the given alternatives:
Let `bar"p" "and" bar"q"` be the position vectors of P and Q respectively, with respect to O and `|bar"p"| = "p", |bar"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
पर्याय
9p2 = 4q2
4p2 = 9q2
9p = 4q
4p = 9q
उत्तर
9p2 = 4q2
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