If \( X=\left\{8^{n}-7 n-1 / n \in N\right\} \) and \( Y=\{49(n-1) ... VIDEO
If \( X=\left\{8^{n}-7 n-1 / n \in N\right\} \) and \( Y=\{49(n-1) / n \in N\} \), then
(A) \( \quad x \subset Y \)
(B) \( \quad Y \subset X \)
(C) \( X=Y \)
(D) None of these
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