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Math Help - computing a power

  1. #1
    Junior Member
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    computing a power

    Hello,,, simple question here...

    but when one is finding the roots of say (1+i)^(1/2)
    u have +2pi(n)
    somewhere in there

    but when one is squaring say the same thing
    you dont include + 2pi(n)....

    why not?
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  2. #2
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    Quote Originally Posted by mpl06c View Post
    but when one is finding the roots of say (1+i)^(1/2)
    u have +2pi(n)
    somewhere in there but when one is squaring say the same thing
    you dont include + 2pi(n)....why not?
    There two square roots of any nonzero complex number.
    But there is exactly one square of any complex number.
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