If X - 4n - 3n - 1 - n - N and Y - 9 n-1 -n - N - where N is the set of natural numbers- then X - Y is equal to-

The correct option is B Y X= #160; {0,9,54...} Y= #160; {0,9,18,27...} Hence X is a subset of Y Therefore X∪ Y =Y ...

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Number of Subset of a Given Set

If X = 4n -...

Question

If $X = {4^{n} - 3 n - 1 : n \in N}$ and $Y = {9 (n - 1) : n \in N}$ , where N is the set of natural numbers, then $X \cup Y$ is equal to:

Y

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N

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Y - X

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X

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