SOLUTION: calcule: 1 -1 2 5 7 -4 1 0 1 a)A23 b)A13 c)A23

SOLUTION: calcule: 1 -1 2 5 7 -4 1 0 1 a)A23 b)A13 c)A23

Algebra.Com

Question 1041404: calcule:
1 -1 2
5 7 -4
1 0 1
a)A23 b)A13 c)A23

Answer by Fombitz(32388) (Show Source): You can put this solution on YOUR website!
The first subscript denotes row, the second column.
So would be second row, third column.
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Do the others the same way.

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