A={1,2,3}, find the cardinal number of its subset
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Answer:
The number of distinct elements in a finite set is called its cardinal number. It is denoted as n(A) and read as ‘the number of elements of the set’.
Step-by-step explanation:
(i) Set A = {1,2, 3 } has 3 elements.
Therefore, the cardinal number of set A = 3. So, it is denoted as n(A) = 3.
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