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Let O be the origin . Let A and B be two...

Let O be the origin . Let A and B be two points whose position vectors are `veca` and `vecb` .Then the position vector of a point P which divides AB internally in the ratio l:m is:

A

`(lveca+mvecb)/(l+m)`

B

`(lvecb+mveca)/(l+m)`

C

`(lveca-mvecb)/(l-m)`

D

`(lvecb-mveca)/(l-m)`

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The correct Answer is:
B
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PREMIERS PUBLISHERS-Vector Algebra -I-Choose Correct Option
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