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ksana1996
@ksana1996
July 2022
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решить неравенство Х^2 - 3x - 4 / x-4 меньше или равно 0
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karinarey
Система
x^2-3x-4 = 0
x-4
≠ 0
1)x^2-3x-4=0
по т. Виета :
система
x1+x2=3
x1*x2=-4
x1= -1 x2=4
2) x-4
≠0
x
≠4
Ответ: x=-1
2 votes
Thanks 1
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Answers & Comments
x^2-3x-4 = 0
x-4≠ 0
1)x^2-3x-4=0
по т. Виета :
система
x1+x2=3
x1*x2=-4
x1= -1 x2=4
2) x-4≠0
x≠4
Ответ: x=-1