Question

Determine o vetor resultante da operação z= 2 * (2,7,-4) - (1,1,1) + 3 * (2,0,0)

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Answer 1

Resposta:

Vamos là.

z=2.(2,7,-4)-(1,1,1)+3.(2,0,0).

z = (4, 14, -8) -(1, 1, 1) + (6, 0, 0)

z = (4 - 1 + 6) (14 - 1 + 0) (-8 - 1 + 0)

z = (9, 13, -9)