The number of all possible subsets of a set containing n elements ?

What is the total number of proper subsets of a set containing n elements ?

The number of all subsets of a set containing 2n+1 elements which contains more than n elements is

The number of all subsets of a set containing 2n+1 elements which contains more than n elements is

What is the total number of proper subsets of a set containing n elements?

Prove, by Induction, that the number of all the subsets of a set containing n distinct elements, is 2^n .

The number of subsets of a set containing n distinct elements is

The number of subsets of a set containing n elements is

All possible subsets of set phi is

Prove that the number of subsets of a set containing n distinct elements is 2^n for all ""n in N .

A set contains 2n+1 elements.The number of subsets of this set containing more than n elements :