find the determinant

0 1 -2

-2 2 0

-3 4 1

find the inverse

4 -5

1 -1

find the deterinant

-4 3

5 0

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- December 13th 2010, 02:52 PMshadower4Find the determminant?
find the determinant

0 1 -2

-2 2 0

-3 4 1

find the inverse

4 -5

1 -1

find the deterinant

-4 3

5 0 - December 13th 2010, 03:39 PMdwsmith
I expanded across the first row.

You should be able to do this one by using 1 and 3 as an outline.

Definition:

The determinant of an n x n matrix A is defined as

where

are the cofactors associated with the first row expansion.