In this method ,we write all the elements of a set in curly brackets. Each of the elements is written only once and seperated by commas. The order of an elwmwnt is not important but it is necessary to write all the elements of the set.
e.g.the set of odd numbers between 1 and 10, can be written as A={3,5,7,9} or A={7,3,9,5}
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Roster method/listing method:
In this method ,we write all the elements of a set in curly brackets. Each of the elements is written only once and seperated by commas. The order of an elwmwnt is not important but it is necessary to write all the elements of the set.
e.g.the set of odd numbers between 1 and 10, can be written as A={3,5,7,9} or A={7,3,9,5}