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3 July, 11:44

Simply each of the following powers I. i^15=

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Answers (2)
  1. 3 July, 11:50
    0
    -i

    Step-by-step explanation:

    i = √-1, i² = - 1, i^4 = 1

    i^15 = i^4 • i^4 • i^4 • i² • i

    = 1 • 1 • 1 • - 1 • i

    = - i
  2. 3 July, 12:15
    0
    -i

    Step-by-step explanation:

    i means Imaginary unit.

    i to the zero power is 1

    i to the first power is itself

    i to the second power is - 1

    i to the third power is - i

    Then, i to the fourth power is 1, so it all repeats again.
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