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If C is the mid point of AB and P is any...

If C is the mid point of AB and P is any point outside AB then (A) `vec(PA)+vec(PB)+vec(PC)=0` (B) `vec(PA)+vec(PB)+2vec(PC)=vec0` (C) `vec(PA)+vec(PB)=vec(PC)` (D) `vec(PA)+vec(PB)=2vec(PC)`

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