MCQOPTIONS
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MCQOPTIONS
| 1. |
For matrix A,(A3) = I, A-1 is equals to: |
| A. | A<sup>2</sup> |
| B. | A<sup>-2</sup> |
| C. | Can’t say |
| D. | None of the mentioned |
| Answer» B. A<sup>-2</sup> | |