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Math Help - imaginary number multiplication

  1. #1
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    imaginary number multiplication

    im try to post my eqaution but i want to no how to use the math tags
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  2. #2
    A Plied Mathematician
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    Go here for LaTeX help.
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  3. #3
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    <br />
(\frac{1}{2} + \frac{\sqrt{2}}{2} i)^2<br />
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  4. #4
    A Plied Mathematician
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    So the rules are the same as for regular multiplication. Foil it out. All you have to remember is that i^{2}=-1.
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