Question

решите уравнение:
9х²-6х+1=0

Answer 1

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