Math Problem Statement
Tìm tất cả các hàm số f : R → R thoả mãn f là hàm số chẵn (Tức f(x) = f(−x)∀x ∈ R) và thoả mãn f(xy) −f(x)f(y) = 2018(f(x +y)−2xy −1)∀x,y ∈ R.
Solution
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Math Problem Analysis
Mathematical Concepts
Functional Equations
Even Functions
Formulas
Functional equation manipulation
Theorems
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Suitable Grade Level
Advanced Mathematics
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