Question: Diffusion in a sphere of radius a: a ) develop the solution for concentration as a function of radial distance and time in terms of

Diffusion in a sphere of radius a:
a) develop the solution for concentration as a function of radial distance and time in terms of the spherical Bessel functions.
b) Using the C * r transformation show that the diffusion equation in spherical coordinates becomes equivalent to the diffusion equation in Cartesian coordinates

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