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25 July, 18:19

How do you Simplify 4/-2-2i

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  1. 25 July, 18:26
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    Question not clear

    If its 4 / (-2 - 2i)

    =4/-2 (1+i)

    =-2 / (1+i)

    =-2 (1-i) / (1+i) (1-i)

    = (-2+2i) / 1 - (i²)

    = (-2+2i) / 1 - (-1) [∵i = √-1 ]

    = (-2+2i) / 1

    = (-2+2i) or, 2 (i-1)
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