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Omni-MATH / Find all functions f:R→R such that f(0)≠0 and for all x,y∈R, f(x+y)²=2f(x)f(y)+maxf(x²+y²),f(x²)+f(y²). · Discussion

Discussing Find all functions f:R→R such that f(0)≠0 and for all x,y∈R, f(x+y)²=2f(x)f(y)+max{f(x²+y²),f(x²)+f(y²)}. · Omni-MATH

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