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Math Chapter Wise question with answer

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Question #48,758
Math Chapter Wise Ordinary And Partial Differential Equations, Integral Equations And Calculus Of Variations English MCQ UPPSC Polytechnic Lecturer 2021(II)

Q.One dimensional heat (diffusion) equation, where u (x, t) is the temperature at a distance 'x' from one end at any time 't' is –

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