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Addition of Vectors

If a, b, c ar...

Question

If a, b, c are position vectors of the vertices of a $Δ A B C,$ then $- - \to A B + - - \to B C + - - \to C A =$

A

0

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B

2a

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C

2b

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D

3c

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Solution

The correct option is A 0
If we join head to tail all the vectors, then we end up at the initial point where we started, that is vertice A.
Hence the net sum is 0.

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