MCQOPTIONS
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MCQOPTIONS
| 1. |
If A= ( begin{bmatrix}-8&2 6&-3 end{bmatrix} ) and B= ( begin{bmatrix}2&1 1&7 end{bmatrix} ). Find (AB)-1. |
| A. | ( frac{1}{432} ) ( begin{bmatrix}-27&6 9&14 end{bmatrix} ) |
| B. | ( frac{1}{432} ) ( begin{bmatrix}27&6 9&14 end{bmatrix} ) |
| C. | ( frac{1}{432} ) ( begin{bmatrix}-27&6 9&14 end{bmatrix} ) |
| D. | ( frac{-1}{432} ) ( begin{bmatrix}27&6 9&14 end{bmatrix} ) |
| Answer» D. ( frac{-1}{432} ) ( begin{bmatrix}27&6 9&14 end{bmatrix} ) | |