Math Problem Statement
20dx /(x(x2 + 4)2)
Solution
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Math Problem Analysis
Mathematical Concepts
Integral Calculus
Substitution Method
Formulas
Substitution: u = x^2 + 4, du = 2x dx
Integration: ∫(1/u^2) du = -1/u + C
Theorems
Substitution Rule in Integration
Suitable Grade Level
Undergraduate (Calculus I)
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