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... 3x3 is more complex: a b c d e f g h i would have a determinant:

**aei**+ bfg + cdh - gec - hfa - idb2 Answers · Science & Mathematics · 26/09/2009

...take it you know the determinant formula for a 3x3 matrix: |[a, b, c]| |[d, e, f ]| =

**aei**+bfg+cdh-ceg-bdi-afh |[g, h, i ]| Use it on your matrix. Fully...3 Answers · Science & Mathematics · 16/12/2010

...similar, the coefficient of similarity is | AE | : | AI | = cos 36° (∆

**AEI**is right) Then also | AK | : | AC | = cos 36°, but the latter...2 Answers · Science & Mathematics · 30/07/2009

... determinant of a 3x3 matrix in the form [a b c] [d e f] [g h i] is

**aei**+ bfg + cdh - afh - bdi - ceg. In your matrix, plugging in the...3 Answers · Science & Mathematics · 27/05/2009

...last 6 dinner parties should have the following guests: [7]

**AEI**[8] AFH [9] BDI [10] BFG [11] CDH [12] CEG...1 Answers · Science & Mathematics · 10/05/2009

... (3) GHI (4) ADG (5) BEH (6) CFI (7)

**AEI**(8) CEG (9) AFH (10) BDI (11) CDH (12) BGF...2 Answers · Science & Mathematics · 20/05/2009

You did A(BC) wrong It looks like you did (BC)A instead Left multiplication and right multiplication are not the same thing when using matrices

2 Answers · Science & Mathematics · 23/02/2009

... to check). ========== Note, determinant of a b c d e f g h i =

**aei**+ bfg + cdh - gec - hfa - idb x = det( 11 7 4 4 1 -1 15 -6 1)/ det( 3 7 4 1...1 Answers · Science & Mathematics · 10/02/2009

1) abc = def = ghi = adg = beh = cfi =

**aei**= ceg = λ Take all products containing e, def = beh =**aei**...1 Answers · Science & Mathematics · 17/01/2009

..., AAE, AAI, AAO, AAU, AEA, AEE,

**AEI**, AEO,AEU etc. To do this you do the number of ...5 Answers · Science & Mathematics · 16/01/2009