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Консультация № 190487
26.01.2017, 12:15
0.00 руб.
0
2
1
Здравствуйте! Прошу помощи в следующем вопросе:
Найти произведение корней или корень (если он один) уравнения (2х+3- х²) / (х+1) = 2х-3.
Найти произведение корней или корень (если он один) уравнения (2х+3- х²) / (х+1) = 2х-3.
Обсуждение
26.01.2017, 13:42
общий
это ответ
Здравствуйте, svrvsvrv!
Область определения уравнения x [$8800$] -1 (делить на 0 нельзя)
2x+3-x2 = (2x-3)(x+1)
Упростив уравнение, получаем: x2-x-2=0
Которое имеет два корня: x1 = 2, x2 = -1
С учетом области определения исходного уравнения остается только один корень x = 2
Что и будет ответом на задачу
Область определения уравнения x [$8800$] -1 (делить на 0 нельзя)
2x+3-x2 = (2x-3)(x+1)
Упростив уравнение, получаем: x2-x-2=0
Которое имеет два корня: x1 = 2, x2 = -1
С учетом области определения исходного уравнения остается только один корень x = 2
Что и будет ответом на задачу
5
Об авторе:
"Если вы заметили, что вы на стороне большинства, —
это верный признак того, что пора меняться." Марк Твен
"Если вы заметили, что вы на стороне большинства, —
это верный признак того, что пора меняться." Марк Твен
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