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In the figure, M is the mid - point of [...

In the figure, M is the mid - point of [AB] and N is the mid - point of [CD] and O is the mid - point of [MN]. Prove that :
(i) `vec(OA)+vec(OB)+vec(OC)+vec(OD)=vec(0)`
(ii) `vec(BC)+vec(AD)=2vec(MN)`.

Text Solution

Verified by Experts

The correct Answer is:
(i) `vec(0)`
(ii) `2 vec(MN)`
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