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maha19991
@maha19991
July 2022
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Решите пожалуйста уравнения: 1) x-4√x-12=0 2) x+2 √x+1=0 3) x+√x-12=0
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mmb1
Verified answer
√X=T везде t>0
1) x-4√x-12=0
D=16+48=64
T12=(4+-8)/2= - 2 6
x=36
2) x+2 √x+1=0
D=4-4=0
T12=-1
решений нет
3) x+√x-12=0
D=1+48=49
t12=(-1+-7)/2=-4 3
x=9
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Answers & Comments
Verified answer
√X=T везде t>0
1) x-4√x-12=0
D=16+48=64
T12=(4+-8)/2= - 2 6
x=36
2) x+2 √x+1=0
D=4-4=0
T12=-1
решений нет
3) x+√x-12=0
D=1+48=49
t12=(-1+-7)/2=-4 3
x=9