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Functional practice (Posted on 2020-12-05) Difficulty: 3 of 5
Determine all functions f:R->R such that
f(x4-y4)+4f(xy)2=f(x4+y4)

No Solution Yet Submitted by Danish Ahmed Khan    
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  Subject Author Date
Dear...Hanna Lury2024-11-20 19:58:46
No SubjectDenmark Salvador2024-10-31 05:27:01
re(2): No SubjectAnne Anderson2024-10-30 02:03:23
re: No SubjectHai Vu Nguyen2024-01-02 20:53:46
No Subjectsamuelddarden2021-11-15 20:23:11
No SubjectPhil2020-12-18 07:03:57
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