In open interval (a, b) all the real numbers lying between a and b belong, but a, b themselves ______ to
this interval.
Answers
In the open interval (a, b) all the real numbers lying between a and b belong, but a, b themselves does not to this interval.
We have a total of four types of intervals
[a, b] Closed interval
In this interval, all the real numbers between a and b are included with the a and b themselves.
(a, b) Open interval
In this kind of interval, all the real numbers between the endpoints of the set are included bu the endpoints that are a and b is not included in the set.
[a, b) Closed open interval
In this interval, the element with the closed bracket is included while the other is not. Means a is included but b is not included in the elements of the set
(a, b] Open closed interval
In this interval, the element with the closed bracket is included while the other is not. Means a is not included but b is included in the elements of the set