tjglodowski6236 tjglodowski6236 13-10-2021 Mathematics contestada Which operation transformed matrix I to matrix ll? [1 2 1 |5] [1 2 1 |5] [0 1 2 |5]-> [0 1 2 |5] [2 78 |25] [0 3 6 |15] A. -1/2R3+R1->R3 B. 1/2R3-1->R3 C. 3R2->R3 D. -2R1+R3->