Question

A={2,3,5,7,9,11,} ; B={5,7,11,13,17} then find A-B and A cap of B​

Answer 1

Answer:

A-B={2 ,3}

Step-by-step explanation:

A-B = left digit in A which is not in B

then right is

A-B = {2,3}

Answer 2

Step-by-step explanation:

A-B={2,3,5,7,9,11} - {5,7,11,13,17}

={2,3,9}

A cap B= {5,7,11}