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If X = { 8n−7n−1:n ϵ N } and Y = {49(n−1):n ϵ N}, then prove that X⊆Y. |
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Answer» If X = { 8n−7n−1:n ϵ N } and Y = {49(n−1):n ϵ N}, then prove that X⊆Y. |
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