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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. ### (math pt slope & determinants) I have done half of this problem, is it right? and how do I do the other half?

...i | Downhill Diagonals - Uphill Diagonals = aei + bfg + cdh - ceg - fha - ibd GOOD LUCK

2 Answers · Science & Mathematics · 04/12/2007

3. ### How do you use determinants to find the area of a triangle?

...i | Downhill Diagonals - Uphill Diagonals = aei + bfg + cdh - ceg - fha - ibd GOOD LUCK

3 Answers · Science & Mathematics · 04/12/2007

4. ### Linear Algebra: Fastest way of finding the determinant of a matrix?

...e ... f ] ... d ... e ... f [ g ... h ... i ] ... g ... h ... i Determinant = (aei + bfg + cdh) - (ceg + bdi + afh)

2 Answers · Science & Mathematics · 16/04/2012

5. ### Show that lines of bisection of 2 external angles of a triangle will intercept at the line of bisection of the?

...point to the same circle are equal] v) Now consider triangles AEI & AFI, EI = FI [From 3 above] AE = AF...

3 Answers · Science & Mathematics · 28/02/2013

6. ### 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

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

...last 6 dinner parties should have the following guests:  AEI  AFH  BDI  BFG  CDH  CEG...

1 Answers · Science & Mathematics · 10/05/2009

8. ### determinants of matrices?

...d e f d e g h i g h 2. then multiply the main diagonals and add aei + bfg + cdh 3. multiply the opposite diagonals and add gec + hfa + idb 4...

2 Answers · Science & Mathematics · 11/12/2007

9. ### TRIANGLE PUZZLE:See Link For Details?

..., ABI, ABJ ACD, ACE ADE AEG, AEI, AEJ AIJ BCF, BCI BDJ BEH, ...

2 Answers · Science & Mathematics · 12/12/2009

10. ### How do I solve this combination and permutation?

adjustments need to be made for the fact that there are some letters occurring more than once. the permutation formula for such cases is n! /(r1!*r2!*.....) where there are r1 letters of one kind, r2 of another kind, etc A2 R1...

3 Answers · Science & Mathematics · 12/07/2011