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Multi dot product

  1. Feb 26, 2008 #1
    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)
  2. jcsd
  3. Feb 26, 2008 #2
    vector operator dot

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