Mathematics, 16.12.2020 07:40 chandlerstandi8294
Recall that the Laplacian of a function f : R3 → R is defined by ∆f = div(∇f).
(a) Prove that ∆(fg) = f∆g + g∆f + 2∇f · ∇g.
(b) Show that div(f∇g − g∇f) = f∆g − g∆f.
Answers: 2
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Recall that the Laplacian of a function f : R3 → R is defined by ∆f = div(∇f).
(a) Prove that ∆(fg)...
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