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7. If x = 41 - 3j + k, y=j- 7k and z = [-1, -1, 2], determine each of the following in terms of

7. If x = 41 - 3j + k, y=j- 7k and z = [-1, -1, 2], determine each of the following in terms of i, j and k. a ) xty (A2) b) -2y + 3z (A3)

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