Pe multimea R³ se defineste legea de compozitie [tex]( x_{1}, y_{1}, z_{1})*( x_{2}, y_{2}, z_{2}) = ( x_{1} + x_{2}, y_{1} + y_{2}, z_{1} *z_{2} )[/tex] Gasiti elementul neutru. Select one: a. (1,1,0) b. (0,1,1) c. (0,1,0) d. (0,0,1) e. (1,0,0) f. (1,0,1)