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Homework Help: Complex number question: express as a+bi

  1. Sep 14, 2011 #1


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    Express in the form a+ib:


    I can handle problems like i^n, but this one has been giving me issues.
  2. jcsd
  3. Sep 15, 2011 #2


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    Staff Emeritus
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    According to our guidelines you are expected to show what you have attempted, or at least detail your thoughts on the problem.
  4. Sep 15, 2011 #3


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    The problem is looking for a general expression for the result as a function of n. Multiply the first two terms and simplify the result. Then multiply that by the next term and simplify. Then multiply in the next term... Is there a pattern?
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