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MBmagic
@MBmagic
July 2022
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(0,1-4у)\(0,1у-3у^2)=15
решите пожалуйста
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love67
Verified answer
=15
0,1-4y=15 (0,1y-3y²)
0,1-4y=1,5y-45y²
0,1-4y-1,5y+45y²=0
45y²-5,5y+0,1=0 :0,1
450у² -55у+1=0
Д=3025-4*450=1225
√д=35
х₁=(55+35)/900=1/10
х₂=( 55-35)/900=20/900=1/45
1 votes
Thanks 1
love67
45y²-5,5y+0,1=0 для удобства :0,1
love67
можно не делить,а наити Дискриминант так
love67
45y²-5,5y+0,1=0
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Answers & Comments
Verified answer
0,1-4y=15 (0,1y-3y²)
0,1-4y=1,5y-45y²
0,1-4y-1,5y+45y²=0
45y²-5,5y+0,1=0 :0,1
450у² -55у+1=0
Д=3025-4*450=1225
√д=35
х₁=(55+35)/900=1/10
х₂=( 55-35)/900=20/900=1/45