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Question: Answered & Verified by Expert
If $\mathrm{A}=\{\lambda,(\lambda, \mu)\}$, then the power set of A is
MathematicsSets and RelationsNDANDA 2019 (Phase 1)
Options:
  • A $\{\phi,\{\phi\},\{\lambda\},\{\lambda, \mu\}\}$
  • B $\{\phi,\{\lambda\},\{\{\lambda, \mu\}\},\{\lambda,\{\lambda, \mu\}\}\}$
  • C $\{\phi,\{\lambda\},\{\lambda, \mu\},\{\lambda,\{\lambda, \mu\}\}\}$
  • D $\{\{\lambda\},\{\lambda, \mu\},\{\lambda,\{\lambda, \mu\}\}\}$
Solution:
2021 Upvotes Verified Answer
The correct answer is: $\{\phi,\{\lambda\},\{\{\lambda, \mu\}\},\{\lambda,\{\lambda, \mu\}\}\}$
$\mathrm{A}=\{\lambda,\{\lambda, \mu\}$
Power set $=\{\phi,\{\lambda\},\{\{\lambda, \mu\}\},\{\lambda,\{\lambda, \mu\}\}\}$

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