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5 July, 01:09

If u = (1+i3√) and v = (1-i3√), what is uv?

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Answers (2)
  1. 5 July, 01:11
    0
    uv = 4

    Step-by-step explanation:

    (1+i√3) (1-i√3)

    1² - (i√3) ²

    1-i²√3²

    1 - (-1) 3

    4
  2. 5 July, 01:11
    0
    4

    Step-by-step explanation:

    FOILing, we have

    1+isqrt3-isqqrt3 - (-1x3)

    isqrt3 cancels out

    1 - (-3)

    1+3

    4
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