Let g be the group of invertible uppe triangular matrices in m, (r). f we write aeg as a which of the following define a norm subgroup of g? a h-ae g|a,, -1 h-a

Let G be the group of invertible uppe triangular matrices in M, (R). f we write AeG as A Which of the following define a norm subgroup of G? a H-Ae G|a,, -1 H-AeGla,, a H-A < Gla,, - a, 1 (20