Maths-
General
Easy
Question
If position vectors of a point A is a + 2b and a divides AB in the ratio 
, then the position vector of B is
- 2a – b
- b – 2a
- a – 3b
- b
The correct answer is: a – 3b
If x be the position vector of B, then a divides AB in the ratio 2 : 3.
Þ 
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