Write the following sets in the set-builder form: (3, 6, 9, 12}

Question

Philoid · Accepted Answer

Here the element of the set can be disintegrated as

3 = 3 × 1

6 = 3 × 2

9= 3 × 3

12 = 3 × 4

The set in the set-builder form is

A= {x:x=3n where n∈N and 1≤n ≤4}