Multiple choice

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

  1. $\frac{T}{X}$
  2. $\frac{\partial T}{\partial X}$
  3. $\frac{\partial^2 T}{\partial x\partial t}$
  4. $\frac{\partial^2T}{\partial X^2}$
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D Correct answer
Explanation

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