Question

if number of proper subsets of a set X is 255, then n(X)​

Answer 1

no of proper subsets=2^m-1

2^m-1=255

2^m=256

      =2^8

therefore,

m=8

no. of elements =8

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Answer 2

Answer:

Step-by-step explanation:

no of proper subsets=2^m-1

2^m-1=255

2^m=256

     =2^8

therefore,

m=8

no. of elements =8