calculate the matrix cofactor using sign convetion  + - + - - + - + + - + - - + - +

Algebra & Trigonometry with Analytic Geometry
13th Edition
ISBN:9781133382119
Author:Swokowski
Publisher:Swokowski
Chapter4: Polynomial And Rational Functions
Section4.3: Zeros Of Polynomials
Problem 54E
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Question

calculate the matrix cofactor using sign convetion 

+ - + -
- + - +
+ - + -
- + - +

1
6
-20
8
2
-3
4
7 -5 -10
-5
6 7
9 -10
-10
-2
Transcribed Image Text:1 6 -20 8 2 -3 4 7 -5 -10 -5 6 7 9 -10 -10 -2
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