Y 13. let g = :x, y er, st x+y#0 then (g,) y k (where * denotes matrix multiplication on g) is not a group as identity element does not exist. (b) (a) not a gro

y 13. Let G = :X, y eR, st x+y#0 Then (G,) y K (Where * denotes matrix multiplication on G) is Not a group as identity element does not exist. (B) (A) Not a group as closure property failed. Group but not abelian. (D) (C) Abelian Group