MCQOPTIONS
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MCQOPTIONS
| 1. |
If the determinant of 3x3 matrix A is a7 then the determinant of inverse of 2A will be |
| A. | 14/1 |
| B. | 49/1 |
| C. | 56/1 |
| D. | 2/7 |
| Answer» D. 2/7 | |