# 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 - Mathematics and Statistics

MCQ

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

• 9p2 = 4q2

• 4p2 = 9q2

• 9p = 4q

• 4p = 9q

#### Solution

9p2 = 4q2

Concept: Position Vector of a Point P(X, Y, Z) in Space
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