| 1 |
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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| 2 |
Minors and co-factors of the elements in a determinant are equal in magnitude but they may differ in: |
- A. order
- B. position
- C. sign
- D. symmetry
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| 3 |
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- A. scalar matrix
- B. diagonalmatrix
- C. lower triangularmatrix
- D. upper triangularmatrix
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| 4 |
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- A.
- B.
- C.
- D. diagonal matrix
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| 5 |
If each element of a 3 × 3 matrix A is multiplied by 3, then the determinant of the resulting matrix is: |
- A. |A|<sup>3</sup>
- B. 27|A|
- C. 3|A|
- D. 9|A|
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| 6 |
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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| 7 |
[0] is a: |
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| 8 |
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- A. zero
- B. non-singular
- C. singular
- D. none of these
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| 9 |
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- A. scalar matrix
- B. diagonalmatrix
- C. triangularmatrix
- D. none of these
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| 10 |
|
- A.
- B. diagonal matrix
- C.
- D.
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