Respuesta:
A + B = (-3 ; 5 ; 2)
A - B = (-7 ; -1 ; 4)
-2A = (-10 ; 4 ; 6)
3B = (6 ; 9 ; -3)
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Verified answer
Respuesta:
A + B = (-3 ; 5 ; 2)
A - B = (-7 ; -1 ; 4)
-2A = (-10 ; 4 ; 6)
3B = (6 ; 9 ; -3)