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CBSE Class 12-science Answered


Prove that the sum of two vectors is commutative.
Asked by Topperlearning User | 04 Jun, 2014, 01:23: PM
Expert Answer

If  and are two vectors, then we shall show that .

Let the vectors  and represented by  respectively. Complete the parallelogram OPQR.
Then .
 
Answered by | 04 Jun, 2014, 03:23: PM
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