SOLUTION: This is the third and final part of my last question: Find the cofactor of the element equal to 7 in the matrix: [ 3 2 7 1 -2 4 5 3 -1] Thank you for your help and time.

Algebra ->  Matrices-and-determiminant -> SOLUTION: This is the third and final part of my last question: Find the cofactor of the element equal to 7 in the matrix: [ 3 2 7 1 -2 4 5 3 -1] Thank you for your help and time.      Log On


   



Question 985891: This is the third and final part of my last question:
Find the cofactor of the element equal to 7 in the matrix:
[ 3 2 7
1 -2 4
5 3 -1]
Thank you for your help and time.

Answer by solver91311(24713) About Me  (Show Source):
You can put this solution on YOUR website!


The 7 is in Row 1 and Column 3.





John

My calculator said it, I believe it, that settles it