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If then the power set of A is
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a
A
b
{ϕ,{ϕ},A}
c
{ϕ,{ϕ},{{ϕ}},A}
d
None of these
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Correct option is C
we have, A={ϕ,{ϕ}}Subset of set A are ϕ,{ϕ},{{ϕ}},{ϕ,{ϕ}}.'. Power set of A i.e.P(A)={ϕ,{ϕ},{{ϕ}},{ϕ,{ϕ}}}⇒P(A)={ϕ,{ϕ},{{ϕ}},A}Similar Questions
Let A = {1 {2, 3}}. Then, the number of subsets of A, is
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