Determine whether the following sequences converge or diverge, and find the limit if convergent. (a) an = (n+2)2 / 2n2+3n-4 (b) an=(-1)nsin(1/n) (c) an = n! / square root of n

Algebra & Trigonometry with Analytic Geometry
13th Edition
ISBN:9781133382119
Author:Swokowski
Publisher:Swokowski
Chapter10: Sequences, Series, And Probability
Section10.1: Infinite Sequences And Summation Notation
Problem 72E
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Determine whether the following sequences converge or diverge, and find the limit if convergent.
(a) an = (n+2)2 / 2n2+3n-4  

(b) an=(-1)nsin(1/n)

(c) an = n! / square root of n

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