(Q) The position vector 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 1) 5b-4a 2)5b+4a
3)4b-5a 4)4b+5a
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(Q) The position vector 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 1) 5b-4a 2)5b+4a
3)4b-5a 4)4b+5a
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