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Find the position vector of a point R which divides the line joining the two points P and Q with position vectors OP→=2a→+b→ and OQ→=a→-2b→, respectively in the ratio 1 : 2 internally and externally. [NCERT EXEMPLAR]

Answer» Find the position vector of a point R which divides the line joining the two points P and Q with position vectors OP=2a+b and OQ=a-2b, respectively in the ratio 1 : 2 internally and externally. [NCERT EXEMPLAR]


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