Problem: Report Error Let the vectors i and j be defined as usual: i = (o) and j - (" ) . Now consider the output grids for A, BA, and CBA corresponding to the input grid with i and j: Outputs for A: Outputs for BA: Outputs for CBA: Aj (CBA)i (BA)j Ai (BA)i (CBA)j Calculate A- 1 ( 1 , B ( i , C If any of these are undefined, put a question mark for both components of the answer. Your Answer: SUBMIT Formatting Tips GIVE UP