Please HELP

rachael724

Junior Member
Joined
Sep 14, 2005
Messages
95
Let a = | 1 3 -1 |
| 2 -1 1 |
| 1 2 -2 |
| -1 2 1 |

and b = | 1 -1 |
| 2 0 |
| 1 1 |

IF c= a x b = | a b |
| c d |
| e f |
| g h |

the e =?

would e be = to 1?
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