# Adding Vectors

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• January 10th 2013, 09:25 AM
GrigOrig99
Adding Vectors
Just a quick question. In the attachment, I have a parallelogram with a division in the middle. If $\vec{ao}+\vec{oc}=\vec{ac}$, does the same answer occur if the sum is changed to $\vec{oc}+\vec{ao}$?

Many thanks.
• January 10th 2013, 09:42 AM
Plato
Re: Adding Vectors
Quote:

Originally Posted by GrigOrig99
Just a quick question. In the attachment, I have a parallelogram with a division in the middle. If $\vec{ao}+\vec{oc}=\vec{ac}$, does the same answer occur if the sum is changed to $\vec{oc}+\vec{ao}$?

Addition is commitive: $\vec{ao}+\vec{oc}=\vec{oc}+\vec{ao}~.$
• January 10th 2013, 09:52 AM
GrigOrig99
Re: Adding Vectors
Thank you.