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In a triangle OAC, if B is the mid point...

In a triangle OAC, if `B` is the mid point of side AC and ` vec O A= vec a ,\ vec O B= vec b ,\ ` then what is ` vec O C ?`

A

`OC=1/2(a+b)`

B

`OC=2b-2a`

C

`OC=2b-a`

D

`OC=3b-2a`

Text Solution

Verified by Experts

The correct Answer is:
C
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Knowledge Check

  • Let G be the centroid of Delta ABC , If vec(AB) = vec a , vec(AC) = vec b, then the vec(AG), in terms of vec a and vec b, is

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