Prove that the sum of two vectors is commutative.

Asked by Topperlearning User | 4th 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  | 4th Jun, 2014, 03:23: PM