1 |
I3 x | I<sub>3</sub> | = ? |
- A. I<sub>3</sub>
- B. 0
- C. 1
- D. None of these
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2 |
A square matrix A is said to be singular if |
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3 |
Any matrix "A" is a symmetric matrix if |
- A. A = A
- B. A = A<sup>t</sup>
- C. A = -A<sup>t</sup>
- D. A = A-I
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4 |
Cramer's rule is used to solve |
- A. System of quadratic equation
- B. System of linear equation
- C. Any system of equation
- D. None
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5 |
If Ax = B then x is |
- A. BA<sup>-1</sup>
- B. AB
- C. B/A
- D. A<sup>-1</sup> B
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6 |
A + 0 is equal to: |
- A. 0
- B. A
- C. O + A
- D. None of these
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7 |
In decimal system base of system is: |
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8 |
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- A. Unit matrix
- B. Diagonal matrix
- C. Square matrix
- D. Singular matrix
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9 |
If A = [aij], then A+ is : |
- A. [aij]
- B. [bji]
- C. [aji]
- D. [aii]
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10 |
In a square matrix number of rows and column are |
- A. Equal
- B. Now equal
- C. Greater
- D. Less then
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