Question

If A = { x:X < 6 } Find A , when = N ​

Answer 1

Answer:

Write the above sets in roster form 

We have, A={1,2,3,4,5} and B={4,5,6,7}

From Ven-diagram, A−B={1,2,3} and B−A={6,7}

Clearly A−B=B−A