Question

A= (x: x is an integer)
B= (x: is odd)

Answer 1

Step-by-step explanation:

The union of two sets:

Let

U

is an universal set then union of two sets

C

and

D

is set of all those elements, that related to either

C

or

D

or both

C

and

D

The union of two sets

C

and

D

is represented by

C

∪

D

.

The set

{

x

∈

C

or

x

∈

D

}

also denotes the union of the sets

C

and

D

.

Laws of the union of the sets:-

Let

C

,

D

,

and

E

are the three setsthen,

a. Idempotent law

C

∪

C

=

C

b. Identity law:-

C

∪

ϕ

=

C

.

c. Associative law:-

(

C

∪

D

)

∪

E

=

C

∪

(

D

∪

E

)

.

Answer 2

Answer:

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