Question

A={-1,-2,-1} andB={1,2,3,4} what is a-b​

Answer 1

Answer:

A={-1, -2, -1}

B={1, 2,3,4}

A-B={}

Answer 2

Answer:

since the above sets are disjoint sets, their difference will be a null (empty) set i.e., { }