7th math

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Write all elements of Set R if Rn=n / 2
where n= 1,2,3.....9

What is the cardinality of Set R?

  • 7th math -

    R1 = 1/2 R2 = 1 .. R9 = 9/2

    The cardinality (number of elements) of the set is 9.

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