Repeated square roots Consider the sequence defined byan + 1 = √(2 + an) , a0 = √2, for n = 0, 1, 2, 3, ⋅ ⋅ ⋅.a. Evaluate the first four terms of the sequence {an}. State theexact values first, and then the approximate values.b. Show that the sequence is increasing and bounded.c. Assuming the limit exists, determine the limit exactly.
Repeated square roots Consider the sequence defined byan + 1 = √(2 + an) , a0 = √2, for n = 0, 1, 2, 3, ⋅ ⋅ ⋅.a. Evaluate the first four terms of the sequence {an}. State theexact values first, and then the approximate values.b. Show that the sequence is increasing and bounded.c. Assuming the limit exists, determine the limit exactly.
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 76E
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Repeated square roots Consider the sequence defined by
an + 1 = √(2 + an) , a0 = √2, for n = 0, 1, 2, 3, ⋅ ⋅ ⋅.
a. Evaluate the first four terms of the sequence {an}. State the
exact values first, and then the approximate values.
b. Show that the sequence is increasing and bounded.
c. Assuming the limit exists, determine the limit exactly.
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