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Консультация № 190725
16.03.2017, 17:51
0.00 руб.
1
1
1
Здравствуйте! У меня возникли сложности с таким вопросом (в приложении):
Прикрепленные файлы:
Обсуждение
16.03.2017, 20:14
общий
это ответ
Здравствуйте, svrvsvrv!
Дробь равна нулю, когда выражение в числителе =0. Преобразуем числитель.
Итак:
Очевидно ОДЗ
Корни уравнения: x1=1; x2=2.
Чтобы уравнение имело единственное решение, надо, чтобы один сомножитель в числителе равнялся выражению в знаменателе, чтобы дробь можно было сократить.
При a=1 уравнение имеет единственное решение x=2
При a=2 уравнение имеет единственное решение x=1
Максимальное целое a при котором уравнение имеет единственное решение, a=2
Дробь равна нулю, когда выражение в числителе =0. Преобразуем числитель.
Итак:
Очевидно ОДЗ
Корни уравнения: x1=1; x2=2.
Чтобы уравнение имело единственное решение, надо, чтобы один сомножитель в числителе равнялся выражению в знаменателе, чтобы дробь можно было сократить.
При a=1 уравнение имеет единственное решение x=2
При a=2 уравнение имеет единственное решение x=1
Максимальное целое a при котором уравнение имеет единственное решение, a=2
5
Спасибо.
Об авторе:
Понеже не словес красных бог слушает, но дел наших хощет
Понеже не словес красных бог слушает, но дел наших хощет
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