8 5 0 For the matrix A= 2 5 4 cofactor C23? %3D 4 4 9

Elementary Linear Algebra (MindTap Course List)
8th Edition
ISBN:9781305658004
Author:Ron Larson
Publisher:Ron Larson
Chapter3: Determinants
Section3.CM: Cumulative Review
Problem 10CM: Find ATA for the matrix A=[531246]. Show that this product is symmetric.
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Time left 1:39:30
For the matrix A =
cofactor C23?
4
4 9
A. -7
В. 12
С.
-12
D. 7
Select one:
OB
O A
OD
e here to search
Transcribed Image Text:Time left 1:39:30 For the matrix A = cofactor C23? 4 4 9 A. -7 В. 12 С. -12 D. 7 Select one: OB O A OD e here to search
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