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RMO KV region P-3

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October 29, 2023
algebraPolynomialspolynomial

Problem Statement

Let f(x)f(x) be a polynomial with real coefficients of degree 2. Suppose that for some pairwise distinct real numbers , a,b,ca,b,c we have:\\
f(a)=bc,f(b)=ac,f(c)=abf(a)=bc , f(b)=ac, f(c)=ab Dertermine f(a+b+c)f(a+b+c) in terms of a,b,ca,b,c.