School of Mathematics and Statistics, The University of Sydney
 1. Vectors and scalars
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The negative of a vector

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The negative of the vector from A to B is the vector from B to A. It has the same length as ---> AB but the opposite direction.

Thus the negative of the vector ---> AB is ---> BA and we also write - --> BA = ----> AB.

B B -A-->B -B-->A = - -A-->B A A


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Main menu Section menu   button disabled Next section What is a scalar? The zero vector