If X = {4n - 3n - 1, n ∈ N} and Y = {9n - 9, n ∈ N}, then X ∪ Y is equal to

If X = {4n - 3n - 1, n ∈ N} and Y = {9n - 9, n ∈ N}, then X ∪

1.	If X = {4n - 3n - 1, n ∈ N} and Y = {9n - 9, n ∈ N}, then X ∪ Y is equal to
A.	Y
B.	X
C.	N
D.	None of these
Answer» B. X

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If X = {4n - 3n - 1, n ∈ N} and Y = {9n - 9, n ∈ N}, then X ∪ Y is equal to

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