| 1 |
Factors of x<sup>2</sup> + y<sup>2</sup> are: |
- A. (x + iy) (x - iy)
- B. (x + y) (x - y)
- C. (x + y) (x + y)
- D. none
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| 2 |
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- A. closure property w.r.t multiplication
- B. commutativeproperty w.r.t multiplication
- C. associativeproperty w.r.t multiplication
- D. trichotomy property
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| 3 |
Conjugate of a + i b is: |
- A. -a + ib
- B. a + ib
- C. -a - ib
- D. a - ib
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| 4 |
The set of negative integers is closed with respect to: |
- A. addition
- B. multiplication
- C. both (a) and (b)
- D. subtraction
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| 5 |
Multiplicative inverse of -i is: |
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| 6 |
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- A. rational number
- B. irrational number
- C. natural number
- D. whole number
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| 7 |
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- A.
- B. archimedean property
- C. transitive property
- D. multiplicative property
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| 8 |
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| 9 |
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- A. additive property
- B. multiplicative inverseproperty
- C. transitive property
- D. negative property
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| 10 |
Which of the following is correct: |
- A. 2 + 7i > 10 + i
- B. 1 + i > 1 - i
- C. 4 + 3i > 1 + 3i
- D. none of these
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