Let Ai=[0,1+1i]A_i = [0, 1 + \frac{1}{i}]Ai=[0,1+i1] for i∈Ni \in \mathbb{N}i∈N. What is ⋂i=1∞Ai\bigcap_{i=1}^{\infty} A_i⋂i=1∞Ai?
∅\emptyset∅
R\mathbb{R}R
[0,1][0, 1][0,1]
[0,2][0, 2][0,2]