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Homework Help: Use the Divergence Theorem to Prove

  1. Sep 9, 2013 #1
    1. The problem statement, all variables and given/known data

    Let f and g be sufficiently smooth real-valued (scalar-valued) functions and let u be a sufficiently smooth vector-valued function on a region V of (x1; x2; x3)-space with a sufficiently smooth boundary ∂V . The Laplacian Δf of f:

    Δf:=∇*∇f=∂2f/∂x21 + ∂2u/∂x22 + ∂2u/∂x23

    Use the Divergence Theorem to Prove:

    See in attachment

    2. Relevant equations

    Divergence Theorem:

    3. The attempt at a solution
  2. jcsd
  3. Sep 10, 2013 #2


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    You forgot the attachement. It's also much easier to read your postings when you'd use LaTeX.
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