5х^3-х^2-5х+1=x^2(5x-1)-(5x-1)=(5x-1)(x^2-1)
х=0,2 ⇒ (5*0.2-1)(0.2^2-1)=(1-1)(0.04-1)=0*(-0.96)=0
= = = = = = = = = = = = = = =
ответ: 0.
5х^3-х^2-5х+1=x^2(5x-1)-(5x-1)=(5x-1)(x^2-1)
х=0,2 ⇒ (5*0.2-1)(0.2^2-1)=(1-1)(0.04-1)=0*(-0.96)=0
= = = = = = = = = = = = = = =
ответ: 0.