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Mathematics for IGCSE & O level - Sets (Section 2 - No. 6)

Which of the following best describes the meaning of n(A) in the context of sets?
The union of all sets
The number of elements in set A
The complement of set A
The intersection of all sets

स्पष्टीकरण

n(A) represents the cardinality of set A, meaning the number of elements in it.

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