(a) Show that the sequence is strictly decreasing and downward bounded. (b) Show that the sequence converges and find the limit value limn→∞ an.

Algebra: Structure And Method, Book 1
(REV)00th Edition
ISBN:9780395977224
Author:Richard G. Brown, Mary P. Dolciani, Robert H. Sorgenfrey, William L. Cole
Publisher:Richard G. Brown, Mary P. Dolciani, Robert H. Sorgenfrey, William L. Cole
Chapter6: Fractions
Section6.1: Simplifying Fractions
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(a) Show that the sequence is strictly decreasing and downward bounded.

(b) Show that the sequence converges and find the limit value limn→∞ an.

a₁ = 1,
an+1 =
2a² + 1
4
n ≥ 1.
Transcribed Image Text:a₁ = 1, an+1 = 2a² + 1 4 n ≥ 1.
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