Let k be an integer such that k not= 0,2, -2
Prove that for n>1, the equation
2x^(n+2) -5x^(n+1) +2x^n -2kx^3 +(5k+2)x^2 -(2k+5)x +2=0
has exactly too rational roots.
收錄日期: 2021-04-23 23:25:29
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