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Algebra

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Suppose x and y are real numbers and 4x+3xi+yi−43=2y+2xi−x+2yi+5i . What is the product xy .

  • Algebra - ,

    (4x-43) + (3x+y)i = (2y-x) + (2x+2y+5)i

    so, for the two complex numbers above to be equal,

    4x-43 = 2y-x
    3x+y = 2x+2y+5

    (x,y) = (11,6)

    xy=66

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