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Home » The position vector of the point which divides the join of points 2a-3b and a+b in the ratio 3 : 1 is (A) (3a-2b)/2 (B) (7a-8b)/4 (C) 3a/4 (D) 5a/4
The position vector of the point which divides the join of points 2a-3b and a+b in the ratio 3 : 1 is (A) (3a-2b)/2 (B) (7a-8b)/4 (C) 3a/4 (D) 5a/4
CBSE | Class 12 | Exercise 1 | Maths | NCERT Exemplar | Vector Algebra
The position vector of the point which divides the join of points 2a-3b and a+b in the ratio 3 : 1 is (A) (3a-2b)/2 (B) (7a-8b)/4 (C) 3a/4 (D) 5a/4

CORRECT ANSWER:

    \[\left( D \right)5a/4~\]

ACCORDING TO QUES ,

Given ratio is 3:1

NCERT Exemplar Solutions Class 12 Mathematics Chapter 10 - 64

 

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