Question

represent the following sets in descriptive form 1 ={Sunday, saturday} ans=​

Answer 1

Step-by-step explanation:

(i) X= { Sunday, Monday, Tuesday, Wednesday, Thursday, Friday , Saturday}

The set X contains all the days of a week.

Hence in set builder form, we write

X= { x:x is a day in a week }

(ii) A={1,

2

1

,

3

1

,

4

1

,

5

1

,...}. The denominators of the elements are 1,2,3,4,...

∴ The set-builder form is A={x:x=

n

1

,n∈N}

Answer 2

Answer:

represent the following sets in descriptive form 1 ={Sunday, saturday} ans=