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The position vectors of P and Q are respectively a and b. If R is a point on PQ such that PR = 5PQ, then the position vector of R is |
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Answer» 5b - 4a It means R DIVIDES PQ externally in the ratio 5 : 4. `therefore` Position VECTOR of `R=(5b-4a)/(5-4)=5b-4a` |
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