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15 October, 19:40

If a=4x and b=3x-3i, when find the value of the a^3b. This is simplifying imaginary number.

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  1. 15 October, 22:43
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    192x^4 - 192 x^3i

    Step-by-step explanation:

    a^3 b

    Lets find a^3

    a=4x

    a^3

    (4x) ^3

    64x^3

    b = 3x-3i

    a^3b

    (64x^3) * (3x-3i)

    Distribute

    64x^3*3x - 64x^3 * 3i

    192x^4 - 192 x^3i
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