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1. |
Which of the following relation describes the solution of system of equation in form of AX = B? |
A. | A-1AX = A-1B |
B. | B-1AX = A-1B |
C. | AB-1AX = AB-1X |
D. | X-1AB = A-1BX |
Answer» B. B-1AX = A-1B | |