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8 April, 07:22

Find x and y. Remember that a + bi = c + di exactly when a = c and b = d. 8 = (4+8i) (x+yi)

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  1. 8 April, 07:23
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    x+yi = 8 / (4+8i) x+yi = 2 / (1+2i) x+yi = 2 / (1+2i) * (1-2i) / (1-2i) x+yi = (2-4i) / 5 x+yi = 2/5 - 4/5 i

    x = 2/5

    y = - 4/5i
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