Question

which of the following is a well defined set
a.{properties of operations on integers} b.{x/x is a handsome korean actor} c.{favorite fruit} d.{x/x is a memorable year}

Answer 1

Step-by-step explanation:

a)Integers have 5 main properties of operation

which are:

{Closure Property.

Associative Property.

Commutative Property.

Distributive Property.

Identity Property.}

b)Let us see, who are the top 5 most handsome Korean actors.

1){ Lee Joon Gi:- ...

2) Lee Jong Suk:- ...

3) Song Joong Ki:- ...

4) Ji Chang Wook:- ...

5) Kim Soo-hyun:-.. etc}

c) {apple , mango, pineapple,etc}

d) no memorable year.