In case of one dimensional heat conduction in a medium with constant properties, T is a temperature at position x, at time t. then \(\frac{\partial T}{\partial t}\) is proportional to
1
\(\frac{T}{x}\)
2
\(\frac{\partial T}{\partial x}\)
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\(\frac{\partial^2 T}{\partial x\partial t}\)
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\(\frac{\partial^2 T}{\partial x^2}\)
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