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13 September, 05:23

If i = the square root of - 1, what is the value of i³? A. - 1 B. i C. 1 D.-i?

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Answers (2)
  1. 13 September, 06:01
    0
    Easy

    i=√-1

    i^3 = (√-1) ^3

    (√-1) ^3 = ((√-1) ^2) (√-1) = (-1) (√-1) = - √-1 or since i=√-1

    -i is answer

    D is answer
  2. 13 September, 09:20
    0
    I=√-1

    i^3 = (√-1) ^3

    (√-1) ^3 = ((√-1) ^2) (√-1) = (-1) (√-1) = - √-1 or since i=√-1

    -i is answer

    D is answer
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