1. Feb 26, 2008 #1

   fizali

   

   ı need to learn how can ı calculate ' del . r (A . r) ' where 'A' is a constant vector , 'r' is a distance vector and '.' is dot product. the result must be 4(a.r)

    

   fizali, Feb 26, 2008
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3. Feb 26, 2008 #2

   fizali

   

   vector operator dot
   
   how can ı find the solution of the this equation. ' del . r (r.A)= 4(r.A) '

    

   fizali, Feb 26, 2008

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