Tìm tất cả các hàm liên tục $f: \mathbb{R} \rightarrow \mathbb{R}$ thoả mãn $f(x)=f(x^2+\frac{1}{4})$
$f(x)=f(x^2+\frac{1}{4})$
Started By melodias2002, 06-10-2018 - 20:23
#1
Posted 06-10-2018 - 20:23
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