Question

please solve the problem​

Answer 1

Answer:

AUB = {2,3,5,6,7,9,11,12,13,15,17,18,19,21}

Step-by-step explanation:

1. V = {1,2,3,...,22}
2. A = {3,6,9,12,15,18,21}
3. B = {2,3,5,7,11,13,17,19}
4. C = {4,8,12,16,20}

Answer 2

Answer:

AUB = {2,3,5,6,7,9,11,12,13,15,17,18,19,21}

Step-by-step explanation:

V= {1,2,3,...,20,21,22}

A= {3,6,9,12,15,18,21} where x=3n, n is element of natural numbers.

B= {2,3,5,7,11,13,17,19} where x is prime number

C= {4,8,12,16,20} where x=4n, n is element of natural numbers.