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10 cards from this deck
Its length
∣a∣=x2+y2+z2|\mathbf{a}| = \sqrt{x^2 + y^2 + z^2}∣a∣=x2+y2+z2
B−A\mathbf{B} - \mathbf{A}B−A
A vector of length 1
Divide a\mathbf{a}a by ∣a∣|\mathbf{a}|∣a∣
Direction
They have the same direction
One is a scalar multiple of the other
Find the vector between them
∣AB→∣|\overrightarrow{AB}|∣AB∣
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