| 1 |
|
- A. singular
- B. non-singular
- C. rectangular
- D. null
|
| 2 |
If each element in any row or each element in any column of a square matrix is zero, then value of the determinant is: |
- A. 0
- B. 1
- C. -1
- D. none of these
|
| 3 |
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
|
| 4 |
[0] is a: |
|
| 5 |
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
|
| 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)
|
| 7 |
|
|
| 8 |
If A = [aij] and B = [bij] are two matrices of same order r × s, then order of A - B is: |
- A. r - s
- B. r × s
- C. r + s
- D. none of these
|
| 9 |
If the matrices A & B have the orders 2×3 and 5×2 then order BA is: |
- A. 3×5
- B. 5×2
- C. 2×2
- D. none
|
| 10 |
|
- A. scalar matrix
- B. diagonalmatrix
- C. lower triangularmatrix
- D. upper triangularmatrix
|
