The verification of the relation ∇ → ⋅ ( ρ V → V → ) = V → ∇ → ⋅ ( ρ V → ) + ρ ( V → ⋅ ∇ → ) V → .

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Chapter 9, Problem 19P

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The verification of the relation ∇→⋅(ρV→V→)=V→∇→⋅(ρV→)+ρ(V→⋅∇→)V→.

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