x^3-3x^2+3x-1=0 0 0

Question

x^3-3x^2+3x-1=0                     0             0

bichha · Answer

x&sup3;-3x&sup2;+3x-1= 0   &hArr; ( x-1)&sup3;= 0   &hArr; x-1= 0   &hArr; x= 1

lanhoa · Answer

x&sup3;-3x&sup2;+3x-1=0     &hArr; (x-1)&sup3; =0     &hArr; x-1 =0     &hArr; x= 1      Ch&uacute;c bạn học tốt ^^

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