Neocijenjeno
May 8, 2012, 3:15 p.m. (14 years, 4 months)
Find all pairs of integers a,b for which there exists a polynomial P(x) \in \mathbb{Z}[X] such that product (x^2+ax+b)\cdot P(x) is a polynomial of a form x^n+c_{n-1}x^{n-1}+...+c_1x+c_0 where each of c_0,c_1,...,c_{n-1} is equal to 1 or -1.
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Comments:

zar nije p_{n-2}a + p_{n-3} = c_{n-1} ?
Last modified: grga, May 9, 2012, 3:02 p.m.