Find (if possible) a. AB and b. BA, if A = 1 −2 5 3 −4 4 4 4 −2 and B = 4 5 4 2 1 0 1 −2 4 .
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Find (if possible) a. AB and b. BA, if
| 1 | −2 | 5 |
| 3 | −4 | 4 |
| 4 | 4 | −2 |
and
| 4 | 5 | 4 |
| 2 | 1 | 0 |
| 1 | −2 | 4 |
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