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НоВыЙ13
@НоВыЙ13
July 2022
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15
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ДАЮ 15 БАЛЛОВ!
Решите уравнение:
lg^(-1) X +4 lg X^(2) + 9 = 0
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mikael2
Verified answer
1/lgx+8lgx+9=0 x>0 x≠1
8lg²x+9lgx+1=0
D=81-32=49 √D=7 x1=0.5(-9+7)= -1 не походит
х2=-8 не подходит
корней нет
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Answers & Comments
Verified answer
1/lgx+8lgx+9=0 x>0 x≠18lg²x+9lgx+1=0
D=81-32=49 √D=7 x1=0.5(-9+7)= -1 не походит
х2=-8 не подходит
корней нет