MCQs Number System 3

The Quiz is about the Number System from Mathematics of Intermediate Part-I (First Year).

MCQs about the number system for the preparation of mathematics. MCQs about mathematics for intermediate students with questions and answers.

1. The additive identity in set of complex number is

2. If $a+ib$ is complex number then its conjugate is

3. If $a+ib$ is a complex number then its conjugate is

4. The factors of $3(x^2+y^2)$ are

5. $(0, 1)^4$ is equal to

6. $(-i)^{19}$ is equal to

7. If $z$ is any real number then its conjugate is

8. $(0, 1)^3$ is equal to

9. If $k$ is any real number and $a+ib$ is a complex number then

10. (0, 1) is equal to

11. $(0, 1)^2$ is equal to

12. The sum of two conjugate complex numbers is

13. The multiplicative inverse of $(-4, 7)$ is

14. The product of two conjugate complex numbers is

15. $(-1)^{-\frac{21}{2}}$ is equal to

16. (0, 3) (0, 5) is equal to

17. The additive inverse of $(a, -b)$ is

18. The real part of $\frac{2+i}{i}$ is equal to

19. The multiplicative inverse of $(a, -b)$ is

20. The multiplicative identity of a complex number is

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