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JEE Mains · Maths · STD 11- 2. Relation and Function

माना \(\mathrm{A}=\{1,2,3, \ldots .7\}\) है तथा समुच्चय \(\mathrm{A}\) के घात (\(Power\)) समुच्चय को \(\mathrm{P}(\mathrm{A})\) से दर्शाते हैं। यदि फलनों \(\mathrm{f}: \mathrm{A} \rightarrow \mathrm{P}(\mathrm{A})\), जिनके लिए \(\mathrm{a} \in \mathrm{f}(\mathrm{a}), \forall \mathrm{a} \in \mathrm{A}\) है, की संख्या \(m^n, m\) तथा \(n \in N\) हैं तथा \(m\) न्यूनतम है, तो \(\mathrm{m}+\mathrm{n}\) = ...........

  1. A \(11\)
  2. B \(66\)
  3. C \(55\)
  4. D \(44\)
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Answer & Solution

Correct Answer

(D) \(44\)

Step-by-step Solution

Detailed explanation

\( f: A \rightarrow P(A) \) \( a \in f(a)\) That means 'a' will connect with subset which contain element ' \(a\) '. Total options for 1 will be \(2^6\). (Because \(2^6\) subsets contains \(1\)) Similarly, for every other element Hence, total is…
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