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 Form 3 Mathematics: Vectors II Questions and Answers

The points P, Q and R lie on a straight line. The position vectors of P and R are 2i + 3j + 13k and 5i – 3j + 4k respectively. Q divides PR internally in the ratio 2:1. Find the
(a) Position vector of Q.
(b) Distance of Q from the origin.

 (6m 13s)
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