if =2

then

=-16

is it true?

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- Nov 16th 2010, 01:35 PMtransgalacticdeterminant question 5
if =2

then

=-16

is it true? - Nov 16th 2010, 06:41 PMDrexel28
- Nov 16th 2010, 10:22 PMtransgalactic
i dont know how to break the big determinant into smaller packages of the original determinant

- Nov 18th 2010, 09:38 PMAnthonny
Have you tried computing the determinants for both and comparing them? Although I'm not completely sure if this is the best way, but it may work.

- Nov 18th 2010, 10:01 PMtonio
- Nov 18th 2010, 10:11 PMDrexel28
- Nov 18th 2010, 10:14 PMtonio
- Nov 18th 2010, 11:50 PMmatheagle
I'd do column reduction and then factor out the 2 and -4, so 2(2)(-4)=-16