Question

3.If is set of all rational numbers, is set of all integers and is set of all natural numbers, then ∩(∪) is 1 point Can't say

Answer 1

Answer:

from above all sets of numbers set of rational numbers is the superior or universal set and it is an infinite set ,so n(U)= infinity

Answer 2

all sets of numbers set of rational numbers is the superior or universal set and it is an infinite set ,so n(U)= infinity.