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23 October, 03:50

Multiply each complex number by its conjugate.

6i

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  1. 23 October, 04:04
    0
    36

    Step-by-step explanation:

    for a complex no. a+bi, the conjugate is a-bi

    6i is 0+6i,

    It's conjugate is 0-6i, or just - 6i

    (6i) * (-6i)

    -36i²

    since i² = - 1,

    -36i² = - 36 (-1) = + 36
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