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Homework Help: Need help algebra skills suck

  1. Nov 23, 2008 #1
    How can I simplify (4x^2+1)^1/2? I need it for a Tangent Vector.
  2. jcsd
  3. Nov 23, 2008 #2


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    Science Advisor

    You don't. That's as simple as it will get. Now, what are you trying to do?
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