Question

Let A=(X:X is a Prime Number, X<10), B=(X:X €Z+, X<10). Find i) A-B ii) B-A, What do you notice?​

Answer 1

Answer:

A-B = {3,5,7} , B-A = {4,6,8}

Step-by-step explanation:

IN ROASTER FORM

A = {2,3,5,7}

B = {2,4,6,8}

A-B = {3,5,7} , B-A = {4,6,8}

Answer 2

Answer:

A-B= {}

B-A= {1,4,6,8,9}

A-B set is a null set