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1. ### What is a determinant ? And what do you do when you 'evaluate ' the determinant , if anyone has ever heard of?

... 3x3 is more complex: a b c d e f g h i would have a determinant: aei + bfg + cdh - gec - hfa - idb

2 Answers · Science & Mathematics · 26/09/2009

2. ### A proof of determinant.?

...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

3. ### How large is angle CKA?

...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

4. ### Find the value of this matrix?

... 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

5. ### How to Invite 9 friends over 12 mini dinner parties of 3 (not including you)?

...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

6. ### math word problem help please?

... (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

7. ### Proving the Associative Property of Matrix Multiplication?

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

8. ### MATH HW PLZ HELP!!!!?

... 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

9. ### Problems with Multiplicative Magic Square?

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

10. ### Help with my homework!!!!!!!?

..., 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