Please explain

Q34. The entropy of a gas containing N particles enclosed in a volume is given by S Nk In aVE3/2 where E is the total energy, ais a constant and k,is the NSI2 Boltzmann constant. The chemical potential u of the system at a temperature Tis given by (a) =k,7 (b) u=-k7 In (c) =-k,T| In aE N3/2 d) 4=-k,T| in aVE Ans (a