A) U + V + W = 3 + 2i - 7i - 2i = 3 - 7i
B) U - V = 3 + 2i + 7i = 3 + 9i
C) V - W = -7i + 2i = -5i
pronto
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A) U + V + W = 3 + 2i - 7i - 2i = 3 - 7i
B) U - V = 3 + 2i + 7i = 3 + 9i
C) V - W = -7i + 2i = -5i
pronto
e