what is the meaning of this? plz explain the meaning of those brackets here..If you don't know don't answer
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GIVEN THAT y BELONGS TO[4, oo[
Step-by-step explanation:
THE BRACKET AT 4 IS CLOSED BRACKET AND THE BRACKET AT INFINITY IS OPEN BRACKET.IT CAN BE WRITTEN AS LIKE THIS.
SYMBOLS OF OPEN BRACKET ARE :
( can be written as ]
) can be written as [.
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