Use Newton's method to approximate a root of the equation 5x^3+5^x+2=0 as follows. Let x1=−2 be the initial approximation. The second approximation x^2 is    , and the third approximation x^3 is

Algebra & Trigonometry with Analytic Geometry
13th Edition
ISBN:9781133382119
Author:Swokowski
Publisher:Swokowski
Chapter5: Inverse, Exponential, And Logarithmic Functions
Section: Chapter Questions
Problem 44RE
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Use Newton's method to approximate a root of the equation 5x^3+5^x+2=0 as follows.
Let x1=−2 be the initial approximation.
The second approximation x^2 is    ,
and the third approximation x^3 is

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