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cfsv:chapter-1 [2012/06/25 12:40]
dcs created
cfsv:chapter-1 [2013/07/09 16:00] (current)
dcs
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 (e) $ \sqrt{19} $ (e) $ \sqrt{19} $
  
-11. Yes+11. No
  
 12. (a)  $ ||\mathbf{x}|| = \sqrt{5} $, Direction: $ \displaystyle{||\mathbf{u}|| = \frac{1}{\sqrt{5}}(2,​ 1)}$ 12. (a)  $ ||\mathbf{x}|| = \sqrt{5} $, Direction: $ \displaystyle{||\mathbf{u}|| = \frac{1}{\sqrt{5}}(2,​ 1)}$