Question

What is the set builder of notation L={January, June, july}

Answer 1

Answer:

Given :-

A roster set .

T = { January , June , July }

To Find :-

It's Set builder form .

Solution :-

Here we can see that the element of set are name of months . Specially those months which starts with letter J .

⇒ January , June , July

⇒ Set builder form

T = { x : x is the name of month of the year starting with letter J }

____________________

Set - Builder form :-

In this the the property of of the element is written between the braces.

Example :-

A = { x : x is a natural number and smaller than or equal 8 }

It's Roster form will be :-

A = {1,2,3,4,5,6,7,8}

The set E of all even natural numbers .

E = {x:x is is a natural number and X = 2n for n belongs to N}

E = { x:x belongs to N , x = 2n , n belongs to 2n}