Question 947766: Set d={6,8}, determine n {n}
Answer by MathLover1(20850)   (Show Source):
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d={6,8}, determine n {n} -> I guess you need determine n {d} (number of elements of the set d)
recall that the cardinality of a set is a measure of the "number of elements of the set"
for example, the set A = {2, 4, 6} contains  elements, and therefore A has a cardinality of
in your case the set d={6,8} contains  elements, therefore d={6,8} has a cardinality of , or n {d}=
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