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find-all-functin-f-Z-Z-wich-verify-a-b-Z-2-f-2a-2f-b-f-f-a-b-




Question Number 64443 by mathmax by abdo last updated on 18/Jul/19
find all functin f Z→Z  wich verify  ∀(a,b)∈Z^2      f(2a)+2f(b) =f(f(a+b))
findallfunctinfZZwichverify(a,b)Z2f(2a)+2f(b)=f(f(a+b))

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