If A is a set of letters in the word 'apple', find
(i) set A
(ii) n(A)
(iii) no of proper subsets
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set A = ( a, p, l, e )
n(A) = number of elements in A = 4
no. of proper subsets = ( a proper subset of set X is a subset which contains some of the elements of set X, but not all the elements)
= 2^n -1
= 2^4 - 1 = 15
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n(A) = number of elements in A = 4
no. of proper subsets = ( a proper subset of set X is a subset which contains some of the elements of set X, but not all the elements)
= 2^n -1
= 2^4 - 1 = 15
hope it helped ya!!!
if it did, please mark me brainliest, pleeeeease!!! :) :) :)
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