PROBLEM 4. a. Determine the temperature u(x,t) in a rod given the following conditions: Rod length = L du| əxlx = 0¯ əx|lx = L = 0, u(x,0) = f(x) Express your answer in terms of f(x), x, t, n, L and k 0< x<1 b. Determine u(x, t) if L = 2 and u(x, 0) 1

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