Question

if a=1,23,4 ,b=4,5,6 then a intersetion b

Answer 1

4is the answer because it is the only common element

Answer 2

Given A = {1,2,3,4}, B = {4,5,6}

A Union B = {1,2,3,4,5,6}.

A intersection B = {4}.


Hope this helps!