UPSC NDA I 2019 Mathematics Solved Paper

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Question : 45 of 120

Marks: +1, -0

If A= { λ , { λ , μ}} , then the power set of A is

[NDA I 2019]

{ϕ , {ϕ } , { λ }, { λ , μ }}
{ϕ , {λ} , {{ λ , μ}}, { λ , { λ ,μ }}}
{ϕ , {λ } , { λ , μ} ,{ λ ,{ λ , μ}}}
{{λ } , { λ ,μ } , { λ ,} λ ,μ}}}

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