Question

how many elements has A if n[P(A)]=4096​

Answer 1

Answer:

We know that if A is a set with m elements i.e., n(A)=m, 

then, n[P(A)]=2m.

If A=ϕ, then n(A)=0

∴n[P(A)]=2o=1

Hence, P(A) has one element

Step-by-step explanation:

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