Question

the order of the cell square root of 7 is
a.1 b.2 c.3 d.7

Answer 1

A determinant could be thought of as a function from Fn� n to F: Let A = (aij) be an n� n matrix. We define its determinant, written as

,

by

.

where Sn is the group of all n! permutations on the symbols{1,2,3,4,...,n} and sgn (s ) for a permutation s Î Sn is defined as follows: Let s written as a function be

.