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It is currently February 22nd, 2012, 7:40 pm

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@ ahmoud abbad - Tue Feb 21, 2012 8:01 pm

does everyone know how to solve this problem?

@ gaby - Tue Feb 21, 2012 8:21 pm

yeah i think i have an idea

@ gaby - Tue Feb 21, 2012 8:21 pm

maybe you should try with eigenvalues of a skew symmetric

@ gaby - Tue Feb 21, 2012 8:22 pm

matrix which from my knolwedges are positive numbers

@ gaby - Tue Feb 21, 2012 8:22 pm

and if are eigenvalues for

@ gaby - Tue Feb 21, 2012 8:22 pm

is the last

@ gaby - Tue Feb 21, 2012 8:23 pm

then are eigenvalues for

@ gaby - Tue Feb 21, 2012 8:24 pm

whatever

@ gaby - Tue Feb 21, 2012 8:24 pm

which are strictly positive

@ gaby - Tue Feb 21, 2012 8:24 pm

so their product meaning the determinant is also positive

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