SOLUTION: In a five-element set, how many subsets contain two or more elements?
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Question 429258: In a five-element set, how many subsets contain two or more elements?
Answer by sudhanshu_kmr(1152) (Show Source): You can put this solution on YOUR website!
no. of ways = 5C2 + 5C3 + 5C4 + 5C5
= 10 + 10 + 5 + 1
= 26
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