12. Which of the following represent the identity of 14. Find the determinant of the matrix a 3x3 matrix? 2 5 1 (1 0 0 -2 0 4 А. 1 1 -3 2 5, 1 1 1 А. 24 В. 10 10 -1 С. -2 В. 0 1 D. -30 0 0 1 1 00 15. The order of the matrix product AB is3x 2. Given that the order of matrixB is 2×2, then С. 0 1 0 0 1 the order of matrix A is: Ch1 42 43 А. 1x3 В. 2х3 С. Зx2 D. 3x3 43 A23 Az3 13. A 3×3matrix has a determinant of –1 and an -7 16. Given that the determinant of B = 3 -2 -9 is 6, adjoint of 0 -1 What is the inverse then the value of x is: 1 3 -2 A. 3 of the matrix? В. -3 2 9. -5 С. 14 A. A'=| 0 -2 1 D. 21 -1 -3 2 D.
12. Which of the following represent the identity of 14. Find the determinant of the matrix a 3x3 matrix? 2 5 1 (1 0 0 -2 0 4 А. 1 1 -3 2 5, 1 1 1 А. 24 В. 10 10 -1 С. -2 В. 0 1 D. -30 0 0 1 1 00 15. The order of the matrix product AB is3x 2. Given that the order of matrixB is 2×2, then С. 0 1 0 0 1 the order of matrix A is: Ch1 42 43 А. 1x3 В. 2х3 С. Зx2 D. 3x3 43 A23 Az3 13. A 3×3matrix has a determinant of –1 and an -7 16. Given that the determinant of B = 3 -2 -9 is 6, adjoint of 0 -1 What is the inverse then the value of x is: 1 3 -2 A. 3 of the matrix? В. -3 2 9. -5 С. 14 A. A'=| 0 -2 1 D. 21 -1 -3 2 D.
Calculus: Early Transcendentals
8th Edition
ISBN:9781285741550
Author:James Stewart
Publisher:James Stewart
Chapter1: Functions And Models
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Problem 1RCC: (a) What is a function? What are its domain and range? (b) What is the graph of a function? (c) How...
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Transcribed Image Text:12. Which of the following represent the identity of
а 3x3 matrix?
14. Find the determinant of the matrix
2 5
1
100
-2 0 4
А.
1 1 0
-3 2 5
1
1
1
A. 24
В. 10
10 -1
С. -2
В.
0 1
D. -30
1
(100
15. The order of the matrix product AB is 3x2.
Given that the order of matrix B is 2x 2, then
C.
0 1 0
0 0 1
the order of matrix A is:
Ch2 43
A. 1x3
В. 2х3
С. Зx2
D. 3x3
D.
43 A3 A33
13. A 3x3 matrix has a determinant of -1 and an
-2 -9
(-7 5
is 6,
5
16. Given that the determinant of B =
3
adjoint of
2
-1
What is the inverse
then the value of x is:
1
3
-2
A.
of the matrix?
В.
-3
9.
-5
С. 14
A. A'= 0
-2
1
D. 21
-1 -3
2
-2
1
В. А1:
-9
2
-1 4
17. Find the value of A; if A =
5
-1 -2
2 3
-3
-2
1
A.
-11 -4
4 81 25
C. A'=| 0
4
1
1
1
9.
4
-1
0 0
В.
-11 2 3
D. A' = 0
-1 0
2
1
C.
-11 4 -3
0 0 -1
3
-4
D.
-11-2
-1
4
3.
||
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