If A - x-x - 4n - 1-2 - n - 5- then number of subsets of

A={ X:x=4n+1 2≤ n≤ 5} ⇒ A={ 4(2)+1,4(3)+1,4(4)+1,4(5)+1 } ⇒ 2{ 9,13,17, 21} no of subsets of A= 2^4=16 ...

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Finite and Infinite Set

If A = x:x ...

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If $A = {x : x = 4 n + 1, 2 \leq n \leq 5}$ , then number of subsets of

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