Enthalpy =

Question

(a) $T^2 [\frac{\delta(G/T)}{\delta T}]_P$
(b) $-T^2 [\frac{\delta(G/T)}{\delta T}]_P$
(c) $T^2 [\frac{\delta(G/T)}{\delta T}]_V$
(d) $-T^2 [\frac{\delta(G/T)}{\delta T}]_V$