1. Suggest ways to avoid loss of significance in these calculations. (a) √√x4+4-2 (b) ln(x+√x² +1) (c) 1-cos.x (d) in r

Algebra & Trigonometry with Analytic Geometry
13th Edition
ISBN:9781133382119
Author:Swokowski
Publisher:Swokowski
Chapter10: Sequences, Series, And Probability
Section10.2: Arithmetic Sequences
Problem 68E
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1. Suggest ways to avoid loss of significance in these calculations.
(a) √√x²+4-2
(b) ln(x+√x² +1)
(c) 1-cos.x
(d) e* –cosr—sinx
2. For x>-1, the sequence defined recursively by x1 = 2+1 [√1+2x₁,-1]. 20
converges to In(x, +1). Arrange this formula in a way that avoids loss of significance.
Transcribed Image Text:1. Suggest ways to avoid loss of significance in these calculations. (a) √√x²+4-2 (b) ln(x+√x² +1) (c) 1-cos.x (d) e* –cosr—sinx 2. For x>-1, the sequence defined recursively by x1 = 2+1 [√1+2x₁,-1]. 20 converges to In(x, +1). Arrange this formula in a way that avoids loss of significance.
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