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Daniil2263
@Daniil2263
September 2021
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Помогите решить!!!Система!!!
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lidochka085
Система
х
₁*х₂=6
х₁+х₂=5 ⇒
х₂=5-х₁
х₁*(5-х₁)=6
х₁²-5х₁-6=0
по т. обратной т Виета⇒ х₁=-1, х₁=6
х₂=5-(-1)=6 или х₂=5-6=-1
ответ (-1;6),(6;-1)
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Answers & Comments
х₁+х₂=5 ⇒
х₂=5-х₁
х₁*(5-х₁)=6
х₁²-5х₁-6=0
по т. обратной т Виета⇒ х₁=-1, х₁=6
х₂=5-(-1)=6 или х₂=5-6=-1
ответ (-1;6),(6;-1)