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If X={4^(n)-3n-1:n in N} and {9(n-1):n i...

If `X={4^(n)-3n-1:n in N} and {9(n-1):n in N}`, the prove that `X sub Y`.

A

X

B

Y

C

`phi`

D

`{0}`

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The correct Answer is:
A
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