You can
put this solution on YOUR website!Sorry, I can't solve this, but the creator of this website Mr. Ichudov has created a lesson that I have read. Hopefully it will give you some understanding. The link is below.
http://www.algebra.com/algebra/homework/Matrices-and-determiminant/Wikibook-HSE-Matrices-6031.lesson
(Cut and paste to your Address)
Hope that helps you.
You can
put this solution on YOUR website!calculating a 5x5 matrix is not something i would ever attempt by hand. I would end up insane!
There will be software to do this online, some free.
As for the theory of it..look at a 3x3 matrix, then a 4x4 matrix and a 5x5 matrix is that much more complicated again.
Jon.