Write proper subsets of the following sets:
(i) A = {a, b}
(ii) B = {a, b, c, d}

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Solution

Here, we have to write the proper subsets of each of the following sets.

Proper subsets: If set P is a subset of set Q and Q contains at least one element which is not in P, then P is the proper subset of set Q.

(i) A = {a,b}

The proper subsets of A are {a} and {b}.

(ii) B = { a,b,c}

The proper subsets of B are {a}, {b}, {c}, {a,b}, {b,c} and {c,a}.

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