Math Problem Statement

Considere k ∈ N fixado. (a) Mostre que existe uma unica solucao real da equacao kx3 + kx − 1 = 0. (b) Indicando esta solucao por xk, mostre que a sequencia (xk)k∈N ⊂ R assim definida ´e convergente e calcule seu limite. (c) Analise a ordem de convergencia da sequencia (xk).

Solution

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Math Problem Analysis

Mathematical Concepts

Root-finding
Convergence of Sequences
Order of Convergence

Formulas

Bolzano's Theorem
Monotonicity of Functions
Asymptotic Analysis

Theorems

Bolzano's Theorem

Suitable Grade Level

Advanced Undergraduate