Math Problem Statement
Demostrar que : ∫1x dt/1+t^2 =∫1/x1 dt/1+t^2
Solution
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Math Problem Analysis
Mathematical Concepts
Integral Calculus
Change of Variables
Formulas
\( \int \frac{dt}{1+t^2} \)
Variable substitution: \( u = \frac{1}{t} \)
Theorems
Substitution Rule for Definite Integrals
Inverse Function Symmetry
Suitable Grade Level
University Level (Calculus I/II)
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