If `S_(n)` denotes the sum to `n` terms of the series `(1 le n le 9)1 + 22 + 333 + "……" +
Channel: Doubtnut
Date: 2020-04-12

If `S_(n)` denotes the sum to `n` terms of the series `(1 le n le 9)1 + 22 + 333 + "……" + ("nnn…..n")/(n"times")`, then for `n ge 2`