let-u-n-1-2n-1-1-2n-3-1-4n-1-calculate-lim-n-u-n-

Question Number 36930 by maxmathsup by imad last updated on 07/Jun/18

l e t u_{n} = \frac{1}{2 n + 1} + \frac{1}{2 n + 3} + \dots . . + \frac{1}{4 n - 1}

c a l c u l a t e {l i m}_{n \to + \infty} u_{n} .