Math Problem Statement

Beräkna � x^3 /(4 + x^2) dx.

Solution

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Math Problem Analysis

Mathematical Concepts

Integration
Substitution method
Rational functions

Formulas

Substitution: u = 4 + x^2
Integral of 1/u: ∫ 1/u du = ln|u|

Theorems

Substitution rule in integration

Suitable Grade Level

Undergraduate Calculus