April 19, 2014

Homework Help: Math: determinants

Posted by Amelie on Sunday, December 2, 2007 at 11:45pm.

If det(A)=-7
A= | a b c |
| d e f |
| g h i |

Find det(2A^-1), det((2A)^-1).
| a g d |
| b h e |
| c i f |

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