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July 2022
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помогите решить!
1-6а+9а^2
8х^5-4х^3
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night523
1-6a+9a²
9a²-6a+1=0
D = b²-4ac=36-4*9*1=36-36=0
a = -b+√D/2a = 6/18=1/3
8x⁵-4x³=0
4x³(x²-1)=0
x = 0 x²=1
x = -1
x =1
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Answers & Comments
9a²-6a+1=0
D = b²-4ac=36-4*9*1=36-36=0
a = -b+√D/2a = 6/18=1/3
8x⁵-4x³=0
4x³(x²-1)=0
x = 0 x²=1
x = -1
x =1