Write the equation in spherical coordinates. (a) 5z2 = 8x2 + 8y2 (b) x2 + 3z2 = 7

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Q: Solve the following heat flow problem:

A: Given,            ut=3uxx, 0&lt;x&lt;π, 0&lt;t&lt;∞                ...(1)u(0, t)=u(π, t)=0,…

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A: Solution