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Find set cardinality (Posted on 2021-04-19) Difficulty: 3 of 5
Given a finite set of real numbers A, not containing 0 and 1 and possessing the property: if the number a belongs to A, then numbers 1/a and 1-a also belong to A. How many numbers are in the set A?

No Solution Yet Submitted by Danish Ahmed Khan    
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  Subject Author Date
re: Partial solution?Jer2021-04-19 13:29:17
Some ThoughtsPartial solution?tomarken2021-04-19 09:23:32
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