Question

a. Using the Set-Roster notation:

Let A be a set and let X be some object.

Answer 1

Answer:

ok

Step-by-step explanation:

but i don't know the answer

Answer 2

Given:

Set-Roster notation: In roster form, all the elements of a set are listed, the elements are being separated by commas and are enclosed within braces { }.

Here Let A be a set and

X be some object

Let A={1,2,3,4,5}

A={X | X∈N 1≤X≤5}