Question: B) In the following diffusion equation for radial coordinates, prove that the second term on the left is usually negligible compared to the first. 1

B) In the following diffusion equation for radial coordinates, prove that

B) In the following diffusion equation for radial coordinates, prove that the second term on the left is usually negligible compared to the first. 1 d 2 dP dP dR R dR (RR) + (3) = H(C+C) 4P K dt

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