Question

Write the possible subsets of A = { 1, 3, 5 }

Answer 1

Answer:

In other words, if B is a proper subset of A, then all elements of B are in A but A contains at least one element that is not in B. For example, if A={1,3,5} then B={1,5} is a proper subset of A. The set C={1,3,5} is a subset of A, but it is not a proper subset of A since C=A.

Answer 2

Answer:

The possible subsets of A = { 1, 3, 5 } are

$\phi$,{1},{2},{3},{1,3},{1,5},{3,5},{1,3,7}.

Step-by-step explanation:

Given set A = {1,3,5}

We want to find all subset of this set.

We know,

Number of subsets $= {2}^{n}$

where n is equal to number of digits in a set.

Here set A has three digits.

So, number of subsets of A will be ${2}^{3} = 8$

Required all subsets are

$\phi$,{1},{2},{3},{1,3},{1,5},{3,5},{1,3,7}.

One similar problem for more clear concept:

We are taking a set S = {7,8,9,10}

This ser has 4 digit.

So, number of possible subsets $= {2}^{4} = 16$

Now all subsets of S are

$\phi$,{7},{8},{9},{10},{7,8},{7,9},{7,10},{8,9},{8,10},{9,10},{7,8,9},{7,8,10},{7,9,10},{8,9,10},{7,8,9,10}

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