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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 joing two points P and Q whose position vectors are `hati+2hatj-hatkand-hati+hatj+hatk` repectively , in the ratio `2:1`
(i) nternally
(ii) externally

Text Solution

Verified by Experts

The correct Answer is:
(i) -`(1)/(3)hati+(4)/(3)hatj+(1)/(3)hatk`
(ii) `-3hati+3hatk`
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