| 1 |
The identity element with respect to addition is: |
- A. 0
- B. 1
- C. -1
- D. 0 and 1
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| 2 |
Conjugate of complex number (-a, -b) is: |
- A. (-a, b)
- B. (-a, -b)
- C. (a, -b)
- D. none of these
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| 3 |
The multiplicative identity of real numbers is: |
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| 4 |
The real part of the complex number a + bi is: |
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| 5 |
Conjugate of a- i b is: |
- A. b + ia
- B. -a + ib
- C. -a - ib
- D. a + ib
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| 6 |
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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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| 7 |
Conjugate of -3 -2 i is: |
- A. 3 + 2i
- B. -3 + 2i
- C. 2 + 3i
- D. -2 + 3i
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| 8 |
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- A. Additive property
- B. Multiplicativeproperty
- C. Reflexiveproperty
- D. Transitive property
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| 9 |
If z<sub>1</sub> = 4i and z<sub>2</sub> = 3 - 9i, then z<sub>1</sub> + z<sub>2</sub> = |
- A. 3 - 5i
- B. 3i - 5
- C. 7 - 9i
- D. 3 + 5i
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| 10 |
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- A. rational number
- B. irrational number
- C. natural number
- D. whole number
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