SOLUTION: how could i know if the number is determinant? what it is formula? how can i learn determinants? how can i use determinants?

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Question 12929: how could i know if the number is determinant?
what it is formula?
how can i learn determinants?
how can i use determinants?

Answer by longjonsilver(2297) About Me  (Show Source):
You can put this solution on YOUR website!
look at my lesson on Cramer's Rule. THere may well be other Lessons too by other tutors on matrices.

Jon