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Posted by on Sunday, September 30, 2012 at 2:21pm.

(i)(4i)(-4i)

it is

4i^2(-4i) = -16i^3 ?

If it is not right, please help.
thanks!

  • Math - Imaginary - , Sunday, September 30, 2012 at 3:37pm

    (4i)(-4i) --------> (4)(4) = 16 and i(-i) = -i^2
    = -16i^2
    = -16(-1) = 16


    I have no clue what you were doing, or how you got that answer.

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