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If A = {1,2,3,4,5}, then write …

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If A = {1,2,3,4,5}, then write the number of proper subsets of A??...
  • 5 answers

? S. S. ? 4 years, 4 months ago

Mention not !...?

4 years, 4 months ago

Yes I got it thanks and sorry also for challenge

? S. S. ? 4 years, 4 months ago

No legendary you're wrong.... the correct formula for finding proper subset is 2ⁿ-1 as Yogita mam has written.... And the formula 2ⁿ you're saying is for finding no. of subsets.... I hope u understand and if u still have any doubt u can ask me....

4 years, 4 months ago

Wrong formula for number of ekements I challenge you mam its 2^n only

Yogita Ingle 4 years, 4 months ago

The number of proper subsets of any set is given by the formula  2n -1 where  n  is the number of elements in the set.

Here n = 5

25 -1  =  32 - 1  = 31

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