Math, asked by TrustedAnswerer19, 1 month ago

Hard question !

Solve this :

Determine all functions f : Z → Z such that f(f(a) − b) + bf(2a) is a

perfect square for all integers a and b.

→ No copied answer and no plagiarism.

Don't spam and don't give irrelevant answers just to get points.

Answers

Answered by llItzurbabeQueenll

3

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