Question

If A = {(x, y) : x² + y² = 4, x, y ∈ R}
B = {(x, y) : x² + y² = 9, x, y ∈ R}, then
(a) A - B = Փ
(b) B - A = B
(c) A ⋂ B ≠ Փ
(d) A ⋂ B = A

Answer 1

Answer:

option c is the correct answer