Предмет: Алгебра, автор: testvladtest3

помогите с решение пж!!!
3х²-5х+4=0
4х²-4х+1=0
2х²-5х+2=0

Ответы

Автор ответа: Аноним
2

Ответ:

Пж прощуууу на спасибо нажми

Объяснение:

Приложения:
testvladtest3: топ спасибо
Автор ответа: zixzag
1
По теореме Виета: 1) x1x2=4; x1+x2=5; x1=1; x2=4;2) по дискриминанту: D=0, x=0,5; 3) по дискриминанту D=9; x1=3,5; x2=-1
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