| 1 |
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- A. scalar matrix
- B. diagonalmatrix
- C. lower triangularmatrix
- D. upper triangularmatrix
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| 2 |
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- A. ab - cd = 0
- B. ac - bd = 0
- C. ad - bc = 1
- D. ad - bc = 0
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| 3 |
The additive inverse of a matrix A is: |
- A. A
- B. A<sup>-1</sup>
- C. - A
- D. A<sup>2</sup>
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| 4 |
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- A. scalarmatrix
- B. diagonalmatrix
- C. lower triangularmatrix
- D. uppertriangularmatrix
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| 5 |
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- A. zero
- B. non-singular
- C. singular
- D. none of these
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| 6 |
If A is a square matrix, then: |
- A. |A<sup>t</sup>| = A
- B. |A<sup>t</sup>| = -A
- C. |A<sup>t</sup>| = |A|
- D. A<sup>t</sup>= A
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| 7 |
The trivial solution of the homogeneous linear equations is: |
- A. (1, 0, 0)
- B. (0, 1, 0)
- C. (0, 0, 1)
- D. (0, 0, 0)
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| 8 |
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| 9 |
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- A. 3
- B. -3
- C. 1/3
- D. -1/3
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| 10 |
The order of a matrix is shown by: |
- A.
- B. number of columns + number of rows
- C. number of rows × number of columns
- D. number of columns - number of rows
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