DM - Functions & Relations -Q2

+1 vote

For every positive integer i, A_i  is defined as shown below. 

A_i = \{-i, -i+1,...,-1,0,1,..., i-1, i \}

The size of the set  \bigcap ^\infty _{i=1} A_i

asked Jun 24 in Discrete Maths by gbeditor (44,500 points)
reshown 6 days ago by gbeditor

1 Answer

+1 vote
Best answer

\bigcap ^\infty _{i=1} A_i =   A_1 \cap A_2 \cap A_3 \dots

A1 = {-1,0,1}

Everything else will be a superset of this, so the answer should be 3.

answered 4 days ago by deepak-gatebook (112,390 points)