Question

Which of the following has no solution?

(x + 1 < -1) ∩ (x + 1 < 1)
(x + 1 ≤ 1) ∩ (x + 1 ≥ 1)
(x + 1 < 1) ∩ (x + 1 > 1)

Answer 1

i think its the third answer

Answer 2

(x + 1 ≤ 1) ∩ (x + 1 ≥ 1) is the answer