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= 2(i + 2j - 3k) + 3i +5k - (-2i - 4j +k)
= 2i + 4j - 6k + 3i + 5k + 2i + 4j - k
= 7i + 8j - 2k
vektor U =
=
maka hasil akhirnya vektor U adalah 7i + 8j - 2k