1.

Which of the following relation describes the solution of system of equation in form of AX = B?

A. A<sup>-1</sup>AX = A<sup>-1</sup>B
B. B<sup>-1</sup>AX = A<sup>-1</sup>B
C. AB<sup>-1</sup>AX = AB<sup>-1</sup>X
D. X<sup>-1</sup>AB = A<sup>-1</sup>BX
Answer» B. B<sup>-1</sup>AX = A<sup>-1</sup>B


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