124. If S, S2,Sn are the sums of infinite G.P.s whose first terms are – InterviewSolution

1.	124. If S, S2,Sn are the sums of infinite G.P.s whose first terms are 1, 2,3 ....n andsu12 3whose common ratios are 1/2, 1/3, ....../(n+1) then the value of S,+S2+S3n isc) in
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