Step 1:
The expression for work of a polytropic process is given by:
\[ W = \frac{{P_2V_2 - P_1V_1}}{{n-1}} \]
where \( P_1 \) and \( V_1 \) are the initial pressure and volume, \( P_2 \) and \( V_2 \) are the final pressure and volume, and \( n \) is the
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