OPERATIONS RESEARCH >INTERNATIONAL EDITI
OPERATIONS RESEARCH >INTERNATIONAL EDITI
4th Edition
ISBN: 9780534423629
Author: WINSTON
Publisher: CENGAGE L
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Chapter 2, Problem 18RP

Explanation of Solution

Determinant of the given matrix:

Consider the following matrix,

A=[2     4     61     0     00     0     1]

The  detA is defined as follows:

detA=(1)i+1ai1(detAi1)+(1)i+2ai2(detAi2)++(1)i+maim(detAim)

i=1,2,,m

From the matrix A, the cofactor matrices are determined as follows:

Here,

a11=2, a12=4, and a13=6

The first-row cofactors are,

A11=[0     00     1]

So, the determinant is obtained as,

A11=0(1)0(0)     =0

The second-row cofactors are,

A12=[1     00     1]

So, the determi

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