Question: If the ends x = 0 and x = L of the bar in the text are kept at constant temperatures U 1 and U

If the ends x = 0 and x = L of the bar in the text are kept at constant temperatures U₁ and U₂ respectively, what is the temperature u₁(x) in the bar after a long time (theoretically, as t → ∞)? First guess, then calculate.

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