Mathematics · Vector Algebra
The position vector of the point which divides the join of points with position vectors a̅ + b̅ and 2a̅ - b̅ internally in the ratio 1 : 2 is:
- 14a̅ + b̅3✓
- 25a̅ - b̅3
- 3a̅
- 43a̅ + 2b̅3
Correct answer
4a̅ + b̅3
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