let-u-n-e-1-n-2-1-1-1-find-a-equivalent-of-u-n-and-lim-n-u-n-2-study-the-convergence-of-u-n-

Question Number 32280 by abdo imad last updated on 22/Mar/18

l e t u_{n} = e^{\frac{1}{n^{2} + 1}} - 1

1) f i n d a e q u i v a l e n t o f u_{n} a n d {l i m}_{n \to \infty} u_{n}

2) s t u d y t h e c o n v e r g e n c e o f Σ u_{n} .