Q.4 let g, and g, be any two groups and if g = g,xg, and h,, h, be the subgroups of g, and g respectively. then o hh, need not to be a subgroup of g o every sub

Q.4 Let G, and G, be any two groups and if G = G,xG, and H,, H, be the subgroups of G, and G respectively. Then O HH, need not to be a subgroup of G O Every subgroup of G is of the form H,*H, O Every nomal subgroup of G is of the form HH, where H, is normal subgroup of G,; i = 1. 2 O None of these