معكوس المصفوفة B equals open parentheses table row cell 1 space space space space space end cell 3 row cell 2 space space space space end cell 6 end table close parentheses هو
open parentheses table row cell negative 1 space space space space end cell cell negative 3 end cell row cell negative 2 space space space space end cell cell negative 6 end cell end table close parentheses
open parentheses table row cell 6 space space space space end cell cell negative 3 end cell row cell negative 2 space space space space end cell 1 end table close parentheses
right to left empty set
open parentheses table row cell 6 space space space space space end cell 2 row cell 3 space space space space space end cell 1 end table close parentheses