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Problem 3.
Find all functions f : ℝ → ℝ such that for all x, y ∈ ℝ,
f (x + yf (x)) + y = xy + f (x + y).
BMO 2025 | PRELIMINARY PROGRAMME
|
|
Problem 3.
Find all functions f : ℝ → ℝ such that for all x, y ∈ ℝ,
f (x + yf (x)) + y = xy + f (x + y).
BMO 2025 | PRELIMINARY PROGRAMME
|
