Use Newton's method to approximate a root of the equation 5x° + 7x + 1 = 0 as follows. Let x1 = 2 be the initial approximation. The second approximation x2 is and the third approximation x3 is (Although these are approximations of the root, enter exact expressions for each approximation.)

Algebra & Trigonometry with Analytic Geometry
13th Edition
ISBN:9781133382119
Author:Swokowski
Publisher:Swokowski
Chapter7: Analytic Trigonometry
Section7.2: Trigonometric Equations
Problem 75E
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Use Newton's method to approximate a root of the equation 5x³ + 7x +1 = 0 as follows.
Let x1 = – 2 be the initial approximation.
The second approximation x2 is
and the third approximation x3 is
(Although these are approximations of the root, enter exact expressions for each approximation.)
Transcribed Image Text:Use Newton's method to approximate a root of the equation 5x³ + 7x +1 = 0 as follows. Let x1 = – 2 be the initial approximation. The second approximation x2 is and the third approximation x3 is (Although these are approximations of the root, enter exact expressions for each approximation.)
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