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What is the value of this term and why?

  1. Jan 31, 2012 #1
    What is ej∞?
     
  2. jcsd
  3. Jan 31, 2012 #2

    Char. Limit

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    Gold Member

    Well, e^(ix) = cos(x) + i sin(x). Neither of these functions converge to a point as x-->∞. So neither the real part nor the imaginary part of e^(i∞) converges to anything. So e^(i∞) has no value.
     
  4. Feb 1, 2012 #3
    It's a deep, circular groove. :)
     
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