Real and Complex Number quiz3

Welcome to your Real and Complex Number quiz3

Q∩Q'=
The sum of two real number is also a real number is called _____ property w.r.t Addition.
The ___ of two real number is also a real number is also called closure property.
Example of closure property ____.
Commutative property w.r.t addition is ___.
Commutative property w.r.t multiplication is _____

Commutative property is ____

Associative property w.r.t Addition is ___.

Zero is called ____ w.r.t

a + 0 = 0 + a = a  is

The product of real number and zero is ____.

1 is called _______ w.r.t multiplication.
a × 1 = 1 × a = a  is _______ property.

The product of 1 and a number is ____.

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

If a+a'=a'+a=0 then a' is called _______ of a.
If a+(-a)=-a+a=0 then -a is called _______ of a.
The product of two number is 1 is called ___.
If a.a-1=a-1.a=1 then a-1 is called ________ of a.