Question

List the elements of the following sets in Roster form:
(i) The set of all positive integers which are multiples of 7.
(ii) The set of all prime numbers less than 20.

Answer 1

i) cant be done it an ifinite set that is = {7,14,21,28,35,......}
ii) ={2,3,5,7,11,13,17,19}

Answer 2

i) cant be done it an ifinite set that is = {7,14,21,28,35,......}
ii) ={2,3,5,7,11,13,17,19}