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romikkursk46
@romikkursk46
December 2021
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21 задание решить уравнение
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ShirokovP
Verified answer
5/x^2 - 7/x + 2 = 0
ОДЗ
x ≠ 0
5 - 7x + 2x^2 = 0
2x^2 - 7x + 5 = 0
D = 9
x1 = ( 7 + 3)/4 = 2,5
x2 = ( 7 - 3)/4 = 1
Ответ
1; 2,5
1 votes
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Answers & Comments
Verified answer
5/x^2 - 7/x + 2 = 0ОДЗ
x ≠ 0
5 - 7x + 2x^2 = 0
2x^2 - 7x + 5 = 0
D = 9
x1 = ( 7 + 3)/4 = 2,5
x2 = ( 7 - 3)/4 = 1
Ответ
1; 2,5