Every open set of real numbers is the union of – McqOptions

MCQOPTIONS

1.	Every open set of real numbers is the union of
A.	Countable collection of disjoint open intervals
B.	Uncountable collection of disjoint closed intervals
C.	Countable collection of disjoint closed intervals
D.	Uncountable collection of disjoint open intervals
Answer» B. Uncountable collection of disjoint closed intervals

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