Question

If A= { x:x is a factor of 72 } B = { x : x is multiple of 4 less than 41 } Find { A - B } and { B -A}

Answer 1

Answer:

i think this is the answer

Answer 2

Answer:

A={x:x is a factor of 72}

A={1,2,3,4,6,8,9,12,18,24,36,72}

B={x:x is multiple of 4 less than 41}

B={4,8,12,16,20,24,28,32,36,40}

{A-B}={1,2,3,6,9,18,72}

{B-A}={16,20,28,32,40}