| 1 |
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- A. scalarmatrix
- B. diagonalmatrix
- C. lower triangularmatrix
- D. uppertriangularmatrix
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| 2 |
If A = [a<sub>ij</sub>], B = [b<sub>ij</sub>] and AB = 0 then: |
- A. A = 0
- B. B = 0
- C. either A = 0 or B = 0
- D. A & B not necessarily zero
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| 3 |
|
- A. 3×3
- B. 3×2
- C. 2×1
- D. 2×3
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| 4 |
|
- A. zero
- B. non-singular
- C. singular
- D. none of these
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| 5 |
|
- A. 3×2
- B. 2×3
- C. 2×2
- D. 3×3
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| 6 |
|
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| 7 |
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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| 8 |
|
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| 9 |
|
- A. scalar matrix
- B. diagonalmatrix
- C. lower triangularmatrix
- D. upper triangularmatrix
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| 10 |
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
|
