SOLUTION: a. What is the formula for the determinant of the given matrix expanding by cofactors on the first row AND second row? a b c d e f g h i b. What is the determinant?

Algebra ->  Matrices-and-determiminant -> SOLUTION: a. What is the formula for the determinant of the given matrix expanding by cofactors on the first row AND second row? a b c d e f g h i b. What is the determinant?       Log On


   



Question 678321: a. What is the formula for the determinant of the given matrix expanding by cofactors on
the first row AND second row?
a b c
d e f
g h i

b. What is the determinant?

IM CONFUSED WHAT HE MEANS BY THE FIRST AND SECOND ROW. Thanks!!

Answer by Alan3354(69443) About Me  (Show Source):
You can put this solution on YOUR website!
a. What is the formula for the determinant of the given matrix expanding by cofactors on
the first row AND second row?
a b c
d e f
g h i
b. What is the determinant?
IM CONFUSED WHAT HE MEANS BY THE FIRST AND SECOND ROW. Thanks!!
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The 1st row is the top row, a b c
The 2nd row is the next one, the middle row, d e f