If A = {1,{1,2}} , write all the subsets of A.
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2
Answer:
We know that number of subsets of any set is 2
n
where n is the number of elements in that set.
Every non-empty set has two subsets ϕ and the set itself.
(i) The subsets of {a} are ϕ and {a}.
(ii) The subsets of {a,b} are ϕ,{a},{b},and{a,b}.
(iii) The subsets of {1,2,3} are ϕ,{1},{2},{3},{1,2},{2,3},{1,3},and{1,2,3}
(iv) The only subset of ϕ is ϕ.
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0
Answer:
its answer is
Step-by-step explanation:
let {2,3} = B , then A = {1,B }
therefore, P(A) = {Φ , {1} , {B} , { 1, B } }
it implies ,
P(A) = { Φ , { 1 } , { 1,2 } , { 1, { 2, 3 } }
Hence this is our answer .
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