vault backup: 2025-11-04 09:38:45
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@ -15,6 +15,6 @@ Se $A=(1,1)$ e $B=(-1,3)$ encontre os vetores $\vec{AB}$ e $\vec{BA}$
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> $AB = (x2 - X1, y2 - y1) = (-1-1, 3-1)$
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> $AB = (x2 - X1, y2 - y1) = (-1-1, 3-1)$
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> $AB = (-2, 2)$
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> $AB = (-2, 2)$
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>
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>
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> $BA = (x1 - x2, y1 - y2) = (1 -(-1), 1 - 3)$
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> $BA = (x1 - x2, y1 - y2) = (1 + 1, 1 - 3)$
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> $BA = (2, -2)$
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> $BA = (2, -2)$
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