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25 November, 12:35

If a = 2 + i, and b = 3 - 2i, whats b/a?

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  1. 25 November, 12:42
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    Hello:

    b/a = (3-2i) / (2+i)

    = (3-2i) (2-i) / (2+i) (2-i)

    = (3-2i) (2-i) / (2²-i²) ... i² = - 1

    = (6-3i-4i - 2) / 5

    = (4 - 7i) / 5

    b/a = (4/5) - (7/5) i
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