Question

S., ........Sn are the sums of infinite G.P.s whose niste
0 Infinite G.P.s whose first terms are 1, 2, 3 ...n and
whose common ratios are 1/2, 1/3, ......1/(n+1) then the value of S,+S,+3+..
(b) (n/2)(n+2) (c) (n/2)(n+1) (d) n2
(a) (n/2)(n+3)
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Answer 1

Answer:

and

whose common ratios are 1/2, 1/3, ......1/(n+1) then the v.....