(P+a2v2)(V−b2)=RT\left(P+\frac{a}{2 v^{2}}\right)\left(V-\frac{b}{2}\right)=R T(P+2v2a)(V−2b)=RT
(2P+a2V2)(2V−b)=RT\left(2 P+\frac{a}{2 V^{2}}\right)(2 V-b)=R T(2P+2V2a)(2V−b)=RT
(P−av2)(2V−b)=RT\left(P-\frac{a}{v^{2}}\right)(2 V-b)=R T(P−v2a)(2V−b)=RT
(P+a4V2)(V−b2)=RT\left(P+\frac{a}{4 V^{2}}\right)\left(V-\frac{b}{2}\right)=R T(P+4V2a)(V−2b)=RT
(P+a2V2)(V−2b)=2RT\left(P+\frac{a}{2 V^{2}}\right)(V-2 b)=2 R T(P+2V2a)(V−2b)=2RT
