1 |
[0] is a: |
|
2 |
If any two rows of a square matrix are interchanged, the determinant of the resulting matrix: |
- A. is zero
- B. is multiplicative inverse of the determinant of the original matrix
- C. is additive inverse of the determinant the original matrix
- D. none of these
|
3 |
A matrix in which each element is 0 is called: |
|
4 |
|
- A.
- B. diagonal matrix
- C.
- D.
|
5 |
|
- A. 3×2
- B. 2×3
- C. 2×2
- D. 3×3
|
6 |
|
- A. 40
- B. -40
- C. 26
- D. -26
|
7 |
The additive inverse of a matrix A is: |
- A. A
- B. A<sup>-1</sup>
- C. - A
- D. A<sup>2</sup>
|
8 |
If A is a square matrix order 3 × 3 the |kA| equals: |
- A. k |A|
- B. k<sup>2</sup>|A|
- C. k<sup>3</sup> |A|
- D. k<sup>4</sup> |A|
|
9 |
A<sup>-1</sup> exists if A is: |
- A. singular
- B. nonsingular
- C. symmetric
- D. none
|
10 |
|
- A. scalarmatrix
- B. diagonalmatrix
- C. lower triangularmatrix
- D. uppertriangularmatrix
|