Suppose we wish to compute the determinant of 7-3 0 A--2 1 -5 1 by cofactor expansion on row 1. What is that expansion? det(A) And what is the value of that determinant?

Linear Algebra: A Modern Introduction
4th Edition
ISBN:9781285463247
Author:David Poole
Publisher:David Poole
Chapter4: Eigenvalues And Eigenvectors
Section4.2: Determinants
Problem 19EQ
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Suppose we wish to compute the determinant of
7-3 0
A--2 1
-5
1
by cofactor expansion on row 1. What is that expansion?
det(A)
And what is the value of that determinant?
Transcribed Image Text:Suppose we wish to compute the determinant of 7-3 0 A--2 1 -5 1 by cofactor expansion on row 1. What is that expansion? det(A) And what is the value of that determinant?
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