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MCQ
The position vectors of the two points A and B are a and b respectively then the position vector of the point C which divides AB in the ration 2 : 1 will be :
Options
`"1 + b"/3`
`"2a + b"/3`
`"a + 2b"/3`
none of these
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Solution
`"a + 2b"/3`
Concept: Ratio and Proportion (Entrance Exam)
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