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Quick simplification/factoring of a square root

  1. Oct 11, 2012 #1
    If you could see the image attached, I think it looks better than me typing it here. Didn't know how to embed the image.

    I would just like to know how it becomes 2v to √2v.

    EDIT: Ignore. Figured it out. Don't know why I was even baffled. :/
     
    Last edited: Oct 11, 2012
  2. jcsd
  3. Oct 11, 2012 #2
    attachment
     

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