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Álvaro Antônio de Lacerda Rosário 2025-11-04 09:30:13 -03:00
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Geometria Analítica/1. Vetores.md
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@ -1,4 +1,4 @@
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$\vec{v} = x\vec{i} + y\vec{j}$ $\vec{v} = x\vec{i} + y\vec{j}$
$\vec{v} = (x, y)$ $\vec{v} = (x, y)$
@ -13,3 +13,4 @@ $\vec{v} = (x, y)$
Se $A=(1,1)$ e $B=(-1,3)$ encontre os vetores $\vec{AB}$ e $\vec{BA}$ Se $A=(1,1)$ e $B=(-1,3)$ encontre os vetores $\vec{AB}$ e $\vec{BA}$
> $AB = (x2 - X1, y2 - y1) = (-1-1, 3-1) = (-2, 2)$ > $AB = (x2 - X1, y2 - y1) = (-1-1, 3-1) = (-2, 2)$
> $BA = (x1 - x2, y1 - y2) = (1 -(-1), 1 - 3) = (2, -2)$