Explicaê

01

(UEFS) Três vetores A, B e C possuem as seguintes direções x e y:

• Ax = 9, Ay= - 4;

• Bx = -4, By = 3;

• Cx  = 2, Cy = 3.

Dessa forma, o módulo do vetor X = A + B - C é igual a

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