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30 January, 03:39

Given complex numbers u and v below, what is uv

u=7i

V=6-i

+2
Answers (1)
  1. 30 January, 03:55
    0
    7 + 42i.

    Step-by-step explanation:

    u v = 7i (6 - i)

    = 42i - 7i^2 But i^2 = - 1 so:

    = 42i - 7 (-1)

    = 7 + 42i.
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