Find M13 and C13. M13 - C13 = i 39 39 A = -90 0 8 1 0-5 -1 1 -9-2 50 2
Advanced Engineering Mathematics
10th Edition
ISBN:9780470458365
Author:Erwin Kreyszig
Publisher:Erwin Kreyszig
Chapter2: Second-order Linear Odes
Section: Chapter Questions
Problem 1RQ
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Question
I am getting the value of 39 for both the minor and cofactor. However, apparently that is incorrect.
I crossed out row 1, column 3. Then, I multiplied the determinant by the top row numbers. Then I subtracted the value of the first two, then added it to the 3rd determinant. Afterwards I calculated the cofactor and received a value of 39.
What did I do wrong?
Transcribed Image Text:Let
Find M13 and C13.
M13= i 39
C13= i 39
A =
-9
0
8
1
06
0 -5 -1
1 -9-2
502
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