For what values of the parameter A, will the following equations fail to have unique solution: 3x - y + Az = 1, 2x +y+z= 2, X+2y-Az= -1. Select one: O a. -3.5 O b.4.5 OC.-4.5 O d. 2.5
For what values of the parameter A, will the following equations fail to have unique solution: 3x - y + Az = 1, 2x +y+z= 2, X+2y-Az= -1. Select one: O a. -3.5 O b.4.5 OC.-4.5 O d. 2.5
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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please answer both
Transcribed Image Text:For what values of the parameter A, will the following equations fail to have unique solution: 3x - y + Az = 1,
2x +y+z= 2,
X+2y-Az= -1.
Select one:
O a.-3.5
O b.4.5
OC.-4.5
O d. 2.5
Transcribed Image Text:3 0
1 0
If A =
8
then det(A B) is
and B
%3D
-1
1
Select one:
O a. -9
O b. -3
O c. 3
O d. -27
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