Question: The density =(t,r,,) of a certain fluid evolves according to the equation /t=^2 2 1/r /rThe density =(t,r,,) of a certain fluid evolves according to

The density =(t,r,,) of a certain fluid evolves according to the equation /t=^2 2 1/r /rThe density =(t,r,,) of a certain fluid evolves according to the equation /t=^2 2 1/r /r. (a) Perform separation of variables. Assume spherical symmetry

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