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Hi,
An exercise is my workbook asks to find a cubic equation with roots of 2, 1+j and 4+2j (where j is the the square root of -1). I am lost as to how to work this out. Any chance of someone guiding me through?
Cheers in advance...
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(x-2)(x-1-i)(x-4-2i)
That should be your answer.
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