Question

3.
If A = {x:X e N and x < 15) and
B= {x:x e N and x < 3},
then find A-B and write it in the set builder form.​

Answer 1

Answer:

A={1,2,3,4,5,6,7,8,9,10,11,12,13,14}

B={1,2}

A-B={1,2,3,4,5,6,7,8,9,10,11,12,13,14 - 1,2}

A-B= 3,4,5,6,7,8,9,10,11,12,13,14

hope this help you