Let Sk=1+2+3+.....+k and Qn=(S2)/(S2-1)....

Let `S_k=1+2+3+.....+k` and `Q_n=(S_2)/(S_2-1).(S_3)/(S_3-1)....(S_n)/(S_n-1)` where k,n`epsilon`N . `lim_(x->oo)Q_n=`

`1/3`

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