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Real and Complex Number quiz3

Welcome to your Ch # 2 Real and Complex Number quiz3

1. 

Q∩Q'=

2. 

The sum of two real number is also a real number is called _____ property w.r.t Addition.

3. 

The ___ of two real number is also a real number is also called closure property.

4. 

Example of closure property ____.

5. 

Commutative property w.r.t addition is ___.

6. 

Commutative property w.r.t multiplication is _____

7. 

Commutative property is ____

8. 

Associative property w.r.t Multiplication is ___.

9. 

Zero is called ____ w.r.t

10. 

a + 0 = 0 + a = a  is

11. 

The product of real number and zero is ____.

12. 

1 is called _______ w.r.t multiplication.

13. 

a × 1 = 1 × a = a  is _______ property.

14. 

The product of 1 and a number is ____.

15. 

The sum of two numbers is zero (0) is called ____.

16. 

If a+a'=a'+a=0 then a' is called _______ of a.

17. 

If a+(-a)=-a+a=0 then -a is called _______ of a.

18. 

The product of two number is 1 is called ___.

19. 

If a.a-1=a-1.a=1 then a-1 is called ________ of a.

20.