MCQOPTIONS
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MCQOPTIONS
| 1. |
Which of the following formula is incorrect? |
| A. | A(adj A)=|A|I |
| B. | |adj (A)|=|A|<sup>n-1</sup>, for an n<sup>th</sup> order matrix |
| C. | A<sup>-1</sup>= ( frac{1}{|A|} ) adj A |
| D. | A(adj A)=|A|<sup>n-1</sup> |
| Answer» E. | |