The following P-V diagram shows a process, where an ideal gas is taken quasi-statically from A to B along the path as shown in the figure.
The work done W in this process is
1
\(\frac{1}{4}\left(V_2-V_1\right)\left(3 P_2+P_1\right)\)
2
\(\frac{1}{4}\left(V_2-V_1\right)\left(3 P_2-P_1\right)\)
3
\(\frac{1}{2}\left(V_2-V_1\right)\left(P_1+P_2\right)\)
4
\(\frac{1}{2}\left(V_2+V_1\right)\left(P_2-P_1\right)\)