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liz74
@liz74
August 2022
2
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log2(3x-1)>log2(2-7x)
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Ol1ya
Log2(3x-1)(2-7x)>1
21x^2-13x+2=0
D=1;x1=1/3;x2=2/7
0 votes
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Galina1717
Вот! это решается так. для логарифмов обязательно надо делать ОДЗ.
1 votes
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Answers & Comments
21x^2-13x+2=0
D=1;x1=1/3;x2=2/7