x^4-12X^3+34X^2+12X-35=0
Pa sam prvo pokusao da podelim sa X^2
x^2-12X+34+12/X-35/X^2=0
(x^2 - 35/x^2) - 12 (x - 1/X) + 34 = 0
Sad ne mogu da zamenim da mi t = x - 1/x zbog x^2 - 35/x^2.
Pokusao sam i ovako
x^4-12X^3+34X^2+12X-34 - 1=0
(x^2 - 35/x^2) - 12 (x - 1/X) + 34 -34/x = 0
(x^2 - 1/x^2) - 12 (x - 1/X) + 34(1 - 1/X) = 0
mislio sam da uvedem smenu t= x - 1/X ali opet ne mogu.
Problem se sad javlja sta da uradim sa 1 - 1/x.
Jedno doduse znam resenje vidi se odma da je x = 1 ali potrebna su mi i ostala resenja.
Unapred zahvalan
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MSI H61M-P22 (B3), Intel® Pentium® Dual-Core G840 , DDR3 4GB 1333MHz Silicon Power, Nvidia GeForce 7300 LE, WD Black SATA 160GB , DVD-
RW Pioneer SATA, Bluetooth 2.0, Remote control(use IgorPLUG), Case Moded, MS Industrial 5.1(ML-6015), Dell U2312HM, Dell L100 keyboard, A4Tech X7 748k mouse