PV=RTPV=RTPV=RT
PVr=PV^r=PVr=ধ্রুবক
PVγ−1=PV^{\gamma -1}=PVγ−1=ধ্রুবক
(P+aV2)(V−b)=(P+\frac {a}{V^2})(V-b)=(P+V2a)(V−b)=ধ্রুবক
