rozwiąż równania
a)4x³-x²+4x-1=0
x²(4x-1)+(4x-1)=0
(4x -1)(x²+1)=0
4x -1=0
x=0,25
x²+1=0
x²≠-1
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a)4x³-x²+4x-1=0
x²(4x-1)+(4x-1)=0
(4x -1)(x²+1)=0
4x -1=0
x=0,25
x²+1=0
x²≠-1