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If $\mathrm{A}=\{\lambda,(\lambda, \mu)\}$, then the power set of A is
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The correct answer is:
$\{\phi,\{\lambda\},\{\{\lambda, \mu\}\},\{\lambda,\{\lambda, \mu\}\}\}$
$\mathrm{A}=\{\lambda,\{\lambda, \mu\}$
Power set $=\{\phi,\{\lambda\},\{\{\lambda, \mu\}\},\{\lambda,\{\lambda, \mu\}\}\}$
Power set $=\{\phi,\{\lambda\},\{\{\lambda, \mu\}\},\{\lambda,\{\lambda, \mu\}\}\}$
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