Grade 12th passAlgebra
Is S = (1,2) an open set or not an open set? Why? ..........
Is S = (1,2) an open set or not an open set? Why? ..........
2 Answers
Arun
open interval (1,2) is an open set. Any open interval is an open set. Both R and the empty set are open
Vikas TU
Dear student
Additional information .
On the number line, it means you have a solid ball or bubble instead of an open one. One way to determine if you have a closed set is to actually find the open set. The closed set then includes all the numbers that are not included in the open set. For example, for the open set x = 3.
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