Math Problem Statement

calcule a integral de cauchy na função cos(z)/(z(z^2+1)) com contorno sendo um quadrado centrado na origem de lado 4

Solution

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Math Problem Analysis

Mathematical Concepts

Complex Analysis
Cauchy's Integral Theorem
Residue Theorem
Poles and Residues

Formulas

Cauchy's Integral Formula
Residue Theorem

Theorems

Cauchy's Integral Theorem
Residue Theorem

Suitable Grade Level

Advanced Undergraduate