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Model Paper 9 — MATHS STD 11 Science — Question

Rajasthan BoardEnglish MediumSTD 11 ScienceMATHSModel Paper 92 Marks
Question
Write down all possible subsets of A = (1, {2, 3}).
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Answer

Here, we have,
A contains two elements, namely 1 and
{2, 3} {2, 3} = B, then A = {1, B}
$\therefore P(A)=\{\phi,\{1\},\{B\},\{1, B\}\}$
$\Rightarrow P(A)=\{\phi,,\{1\},\{\{2,3\}\},\{1,\{2,3\}\}\}$.

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