 
			 
			MCQOPTIONS
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				| 1. | If A and B are two matrices, such that a./b=b. a, what is concluded? | 
| A. | Nothing special | 
| B. | A = A<sup>T</sup> | 
| C. | A = A<sup>-1</sup> | 
| D. | A = A | 
| Answer» B. A = A<sup>T</sup> | |