Math Problem Statement

Demostrar que : ∫1xdt1+t2=∫1/x1dt1+t2

Solution

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Math Problem Analysis

Mathematical Concepts

Integral Calculus
Definite Integrals
Variable Substitution
Symmetry in Integrals

Formulas

∫1/(1+t^2) dt = arctan(t)
Change of variable: t' = 1/t

Theorems

Change of Variables Theorem
Fundamental Theorem of Calculus

Suitable Grade Level

University level or advanced high school (Grades 11-12)