Rozwiąż równanie:
81x³ - 9x² - 9x + 1 = 0
9x^2(9x-1)-(9x-1)=0
(9x-1)(9x^2-1)=0
x=1/9 lub 9x^2=1
x^2=1/9
x=1/3 lub x=-1/3
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81x³ - 9x² - 9x + 1 = 0
9x^2(9x-1)-(9x-1)=0
(9x-1)(9x^2-1)=0
x=1/9 lub 9x^2=1
x^2=1/9
x=1/3 lub x=-1/3