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## Homework Statement

[PLAIN]http://admitere.ncit.pub.ro/moodle/filter/tex/pix.php/5c2cef253f2db3240db03f8c9b6c9463.gif [Broken]

lim n->infinity of a[n] = ?

## Homework Equations

|x| > 1

## The Attempt at a Solution

Well, actually i figured out that the sequence converges, and i've tried to solve it using riemannian sums and integrals but no success.

I've also tried to solve the sum and then calculate the limit but i had no idea where to start from.

May anyone suggest me a starting point?

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