et A and B be two matrices of the same order, then state whether the g true or false. A + B + B+ A a. True b. False it exists, find the inverse of the matrix A below --[54] 15 114 15 O 84 he differential equation dx a. Linear b. Nonlinear B)-286 0 ompute the determinant of the matrix by cofactor expansion 115 115 C) 286 2+x²y=2x+3, y(0)=5 is c. Linear with Fixed constants d. undeterminable to be linear or nonlinear dy=sin x he solution of the differential equation dx x (1990 115 55
et A and B be two matrices of the same order, then state whether the g true or false. A + B + B+ A a. True b. False it exists, find the inverse of the matrix A below --[54] 15 114 15 O 84 he differential equation dx a. Linear b. Nonlinear B)-286 0 ompute the determinant of the matrix by cofactor expansion 115 115 C) 286 2+x²y=2x+3, y(0)=5 is c. Linear with Fixed constants d. undeterminable to be linear or nonlinear dy=sin x he solution of the differential equation dx x (1990 115 55
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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Could you guys please solve these multiply choice tests ?! You can just select the right answer by selecting abcd
![1. Let A and B be two matrices of the same order, then state whether the given statement
is true or false. A+B+B+ A
a.
True
b. False
2. If it exists, find the inverse of the matrix A below
A-[54]
A=
A)
A) 1084
3. Compute the determinant of the matrix by cofactor expansion
427
935
794
4. The differential equation dx
a. Linear
b. Nonlinear
B)
b. 2
c. 4
d. √5
c. Linear with Fixed constants
d. undeterminable to be linear or nonlinear
6. The amplitude of Z=1+√3iis
a. √2
7. The value of (-i)¹/3 is
1+ √3i
2
a.
B) -286
b.
C)
C.
2+x²y=2x+3, y(0)=5₁
is
d.
5. The solution of the differential equation dx x
(a) x(y+cos x)=sinx+c (b) x(y-cosx)=sinx+c (c) x(y+cosx)=cosx+c (d) none of these
C) 286
dy y
+=sin x
D)
H
is
1-√3i
2
1+√36
2
-1-√3
2
e.
-1+√3
2
8. Which among the following is a unique model of a system?
a. Transfer function
b. State variable
c. Block diagram
d. Signal Flow graphs
9. What is the magnitude of exp(2+3j)?
a. exp(2)
b. exp(3)
c. exp(2.3)
d. exp(3.2)
D) 146](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2Fda00c756-c53a-4328-a4ad-48e9f2c15dde%2F87e75314-e1a3-498a-88be-4cfa819aca77%2Fj3vvb3f_processed.jpeg&w=3840&q=75)
Transcribed Image Text:1. Let A and B be two matrices of the same order, then state whether the given statement
is true or false. A+B+B+ A
a.
True
b. False
2. If it exists, find the inverse of the matrix A below
A-[54]
A=
A)
A) 1084
3. Compute the determinant of the matrix by cofactor expansion
427
935
794
4. The differential equation dx
a. Linear
b. Nonlinear
B)
b. 2
c. 4
d. √5
c. Linear with Fixed constants
d. undeterminable to be linear or nonlinear
6. The amplitude of Z=1+√3iis
a. √2
7. The value of (-i)¹/3 is
1+ √3i
2
a.
B) -286
b.
C)
C.
2+x²y=2x+3, y(0)=5₁
is
d.
5. The solution of the differential equation dx x
(a) x(y+cos x)=sinx+c (b) x(y-cosx)=sinx+c (c) x(y+cosx)=cosx+c (d) none of these
C) 286
dy y
+=sin x
D)
H
is
1-√3i
2
1+√36
2
-1-√3
2
e.
-1+√3
2
8. Which among the following is a unique model of a system?
a. Transfer function
b. State variable
c. Block diagram
d. Signal Flow graphs
9. What is the magnitude of exp(2+3j)?
a. exp(2)
b. exp(3)
c. exp(2.3)
d. exp(3.2)
D) 146
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