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Inner product(norm)

  1. Mar 29, 2010 #1
    How to find a ||2w-v||,by giving <v,w> = -3, ||v||=2 and ||w||= 7.

    Actually I find that it was undefined, I not sure its correct or not, so I need yours to help me thanks.:shy:
     
  2. jcsd
  3. Mar 29, 2010 #2
    Finally I find it is equal to [tex]\sqrt{212}[/tex]. Am I right?
     
  4. Mar 29, 2010 #3

    jbunniii

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    I got the same answer.
     
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