Figure shows three vectors vec(a), vec(b) and vec(c), where R is the midpoint of PQ. Then which of the following relations is correct ?

Figure shows three vectors vec(a), vec(b) and vec(c), where R is the m

1.	Figure shows three vectors vec(a), vec(b) and vec(c), where R is the midpoint of PQ. Then which of the following relations is correct ?
Answer» `VEC(a) + vec(B) = 2vec(C)` `vec(a) + vec(b) = vec(c)` `vec(a) - vec(b) = 2vec(c)` `vec(a) - vec(b) = vec(c)` ANSWER :A