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7 July, 13:44

What is the value of i^20+1?

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Answers (2)
  1. 7 July, 16:01
    0
    I think it would equal i^21 but I'm not completely sure ...
  2. 7 July, 16:53
    0
    I^20+1

    i = / 2

    i^2 = - 1

    i^3 = - i

    i^4 = 1

    for every four it repeat itself.

    4, 8, 12, 16, 20.

    therefore i^20=1

    1+1=2
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