let-u-n-k-1-n-ch-1-k-n-n-prove-that-u-n-is-convergent-and-find-its-limit-

Question Number 32344 by abdo imad last updated on 23/Mar/18

l e t u_{n} = \sum_{k = 1}^{n} c h (\frac{1}{\sqrt{k + n}}) - n

p r o v e t h a t u_{n} i s c o n v e r g e n t a n d f i n d i t s l i m i t .