Question

Prove (21.26), for example by substituting from (21.27) and (21.25).

   Prove (21.26), for example by substituting from (21.27) and (21.25).

Thermodynamics: A complete undergraduate course

Thermodynamics: A complete undergraduate course

Andrew M. Steane 1st Edition

Chapter 21, Problem 6

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Step 1

27) and (21.25) mentioned in the question. Equation (21.27) states: ∇ · (ϕA) = ϕ(∇ · A) + A · (∇ϕ) Equation (21.25) states: ∇ × (ϕA) = ϕ(∇ × A) + (∇ϕ) × A Now, let's substitute these equations into equation (21.26), which we want to prove. Equation (21.26) Show more…

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Prove (21.26), for example by substituting from (21.27) and (21.25).

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