Ifhis a subgroup of g and n is a nommal subgroup of g, then hnn isa normal subgroup of - (c)h+m (a) h (b)-n= ()g b.h.u.-2011] a 1ehic

IfHis a subgroup of G and N is a nommal subgroup of G, then HnN isa normal subgroup of - (C)H+M (a) H (b)-N= ()G B.H.U.-2011] A 1EHic