Question

If (ξ) = {all the digits in our number system}, A = {x:x is prime}, B = {x:x is a factor of 18}, then find: (i) (AUB)’ (ii) A’∩B’ (iii) A-B

Answer 1

Answer:

If A = {x : x is a natural number }, B = {x : x is an even natural number } C = {x : x is an odd natural number } and D = {x : x is a prime number }, find(i)

A = {x:x is a natural number} = {1,2,3,4,5} B = {x:x is an even natural number} = {2} C = {x:x is an odd natural number} = {1,3,5,7,9