Question

Rewrite the following sets in the roster form and set builder form; 1) {natural numbers exactly divisible by eleven and less than sixty-seven}, 2) {prime factors of thirty}​

Answer 1

Answer:

{1, -2, 3, 4, 6, 8, 12, 24} : {x:x is a natural number which divides 24 completely}

(ii) {21, 23, 25, 27, 29, 31, 33} : {x:x is an odd number between 20 and 35}