Let Z be the set of all integers and
A = {(a, b) : a2 + 3b2 = 28, a, b ∈ Z}
and B = {(a, b) : a > b ∈ Z}
Then, the number of elements in A ∩ B, is
1
2
2
6
3
7
4
More than one of the above
5
None of the above
Let Z be the set of all integers and
A = {(a, b) : a2 + 3b2 = 28, a, b ∈ Z}
and B = {(a, b) : a > b ∈ Z}
Then, the number of elements in A ∩ B, is