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If X = { (2^n)-1:n belongs to N}and Y= { 7n:n belongs to N}, then(A) X=Y(B) X is subset of Y(C) Y is subset of X(D) none of these |
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Answer» If X = { (2^n)-1:n belongs to N} and Y= { 7n:n belongs to N}, then (A) X=Y (B) X is subset of Y (C) Y is subset of X (D) none of these |
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