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Find the position vector of a point R wh...

Find the position vector of a point `R` which divides the line joining two points `P` and `Q` whose position vectors are `(2 veca+vecb)` and `(veca-3 vecb)` externally in the ratio `1: 2` Also show that `P` is the mid point of the line segment RQ.

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A N EXCEL PUBLICATION-VECTOR ALGEBRA-QUESTION BANK
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