:y :x,y er, s.t x+y +0 then (g, ) let g = denotes matrix multiplication on g) is (where * not a group as 1dentity element does not exist. (a) (b) not a group as

:y :X,y eR, s.t x+y +0 Then (G, ) Let G = denotes matrix multiplication on G) is (Where * Not a group as 1dentity element does not exist. (A) (B) Not a group as closure property failed. (C) Group but not abelian. (D) Abelian Group