Question

seja A=(aij)3x3, com aij =i+j, e B=(bij)3x3, com bij=j-i, determine a matriz C, tal que C=A.B

Answer 1

A = | 2 3 4 |
| 3 4 5 |
| 4 5 6 |

B = | 0 1 2 |
| -1 0 1 |
| -2 -1 0|

C= | -11 -2 7 |
| -14 -2 10 |
| -17 -2 13 |