Math Problem Statement
integral of 2/(9+x^2)
Solution
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Math Problem Analysis
Mathematical Concepts
Calculus
Integration
Inverse Trigonometric Functions
Formulas
\( \int \frac{1}{a^2 + x^2} \, dx = \frac{1}{a} \arctan\left(\frac{x}{a}\right) + C \)
Theorems
Standard Integral of \(\frac{1}{a^2 + x^2}\) involves \(\arctan(x)\)
Suitable Grade Level
Grades 11-12, Early College