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The position vector of the point which d...

The position vector of the point which divides the join of points `2 vec a - 3 vec b` and ` vec a + vec b` in the ratio 3:1 is

A

`(3 vec a - 2 vec b)/2`

B

`(7 vec a - 8 vec b)/4`

C

`(3 vec a)/4`

D

`(5 vec a)/4`

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The correct Answer is:
D
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HIMALAYA PUBLICATION-VECTORS AND THEIR APPLICATIONS-QUESTION BANK
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