Write down the subsets of set : a, b - Vidyadip

Question

Write down the subsets of set : {a, b}

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Answer

Suppose A= {a, b}
Now, number of elements in A = 2
Number of subsets of A = $2^2$= 4
$\therefore$ subsets of A are: $\phi$, {a}, {b}, {a, b}

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