Math Problem Statement
Montrer que la fonction f : ]1,+∞[→]0,+∞[ définie par f (x) = 1/(x−1) est bijective. Calculer sa bijection réciproque
Solution
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Math Problem Analysis
Mathematical Concepts
Functions
Bijectivity
Injectivity
Surjectivity
Inverse Functions
Formulas
f(x) = 1/(x-1)
f^{-1}(y) = 1 + 1/y
Theorems
Bijectivity Theorem (A function is bijective if and only if it is both injective and surjective)
Suitable Grade Level
University Level (Undergraduate)
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