| 1 |
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|
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| 2 |
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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| 3 |
If two rows (or two columns) in a square matrix are identical (i.e. corresponding elements are equal), the value of the determinant is: |
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| 4 |
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- B. 1×3
- C. 3×3
- D. 1×1
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| 5 |
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| 6 |
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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| 7 |
If A is a matrix of order m × n, then the number of elements in each row of A is: |
- A. m
- B. n
- C. m + n
- D. m - n
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| 8 |
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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| 9 |
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- A. scalar matrix
- B. diagonalmatrix
- C. lower triangularmatrix
- D. upper triangularmatrix
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| 10 |
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- A. 3×2
- B. 2×3
- C. 2×2
- D. 3×3
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