Question

In: Advanced Math

If the sequence is increasing then it a) converges to its supremum b) diverges c) may...

If the sequence is increasing then it a) converges to its supremum b) diverges c) may converge to its supremum d) is bounded

if S= { 1/n - 1/m: n,m belongs to N } where N is the set of natural numbers then infimum and supremum of S respectively are a) -1and 1 b) 0,1 c)0,0 d)can not be determined

Please explain

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