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danekhakker
@danekhakker
July 2022
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решите уравнение:
9х²-6х+1=0
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ShirokovP
Verified answer
9x^2 - 6x + 1 = 0
(3x - 1)^2 = 0
3x - 1 = 0
3x = 1
x = 1/3
27 votes
Thanks 37
05Angelina
9х²-6х+1=0
D=b²-4ac=6²-4*9=36-36=0
х1=(-b-√D)/2а=(6-0)/2*9=6/18=1/3
х2=(-b+√D)/2a=(6+0)/2*9=6/18=1/3
Ответ:1/3
11 votes
Thanks 19
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Answers & Comments
Verified answer
9x^2 - 6x + 1 = 0(3x - 1)^2 = 0
3x - 1 = 0
3x = 1
x = 1/3
D=b²-4ac=6²-4*9=36-36=0
х1=(-b-√D)/2а=(6-0)/2*9=6/18=1/3
х2=(-b+√D)/2a=(6+0)/2*9=6/18=1/3
Ответ:1/3