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x^8-x^7+x^2-x+15

Source: Isi 2012 #4

May 13, 2012
algebrapolynomialinequalitiesquadraticsalgebra unsolved

Problem Statement

Prove that the polynomial equation x8−x7+x2−x+15=0x^{8}-x^{7}+x^{2}-x+15=0 has no real solution.
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