sendo a = (3/5 2/1) e b=(3/2 -1/0) e c=(1/4), calcule: a) ab b) Ac c) bc
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vAB = vetor AB:
vAB = B - A
vAB = (-2,-1,-1) - (2,3,4)
vAB = (-4,-4,-5)
vAC = C - A
vAC = (-2,-1,-2) - (2,3,4)
vAC = (-4, -4, -6)
vBC = C - B
vBC = (-2,-1,-2) - (-2,-1,-1)
vBC = (0, 0, -1)
vAB = B - A
vAB = (-2,-1,-1) - (2,3,4)
vAB = (-4,-4,-5)
vAC = C - A
vAC = (-2,-1,-2) - (2,3,4)
vAC = (-4, -4, -6)
vBC = C - B
vBC = (-2,-1,-2) - (-2,-1,-1)
vBC = (0, 0, -1)
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