Question

For a vector we have

(a) AA=0
we have :
(b)AA = 1
(C)ÃÄ=A (d)ÃÃ=A?
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Answer 1

Answer:

A vector is an object that has both a magnitude and a direction. Geometrically, we can picture a vector as a directed line segment, whose length is the magnitude of the vector and with an arrow indicating the direction. The direction of the vector is from its tail to its head.