Mathematics - Sets and Relations Question with Solution | TestHub

MathematicsSets and RelationsQuestions on number of relations and setsEasy2 minPYQ_2010

MathematicsEasysingle choice

Let $S = {1, 2, 3, 4}$ . The total number of unordered pairs of disjoint subsets of $S$ is equal to

Answer:

Solution:

Let $A \cap B = ϕ, A, B \subset S$ $\Rightarrow 3^{4} = \frac{81 + 1}{2} = 41 \frac{3 ^{4} + 1}{2} = 41$

Stream:JEE_ADVSubject:MathematicsTopic:Sets and RelationsSubtopic:Questions on number of relations and sets

⏱ 2mℹ️ Source: PYQ_2010

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