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Консультация № 191172
19.06.2017, 14:59
0.00 руб.
1
12
1
Здравствуйте! Прошу помощи в следующем вопросе: нужно подробно расписать исследование на экстремум
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Обсуждение
20.06.2017, 10:07
общий
это ответ
Здравствуйте, Tati77!
Продифференцируем функцию:
Приравняв производную к нулю, получим
Корни этого уравнения
и 
являются критическими точками функции.
Используя метод интервалов, установим, что при переходе через точку первая производная меняет знак с "минуса" на "плюс". Значит, эта точка является точкой минимума функции. Значение функции в этой точке
При переходе через точку первая производная не меняет знак. Поэтому в этой точке нет экстремума.
Продифференцируем функцию:
Приравняв производную к нулю, получим
Корни этого уравнения
и являются критическими точками функции.Используя метод интервалов, установим, что при переходе через точку
первая производная меняет знак с "минуса" на "плюс". Значит, эта точка является точкой минимума функции. Значение функции в этой точкеПри переходе через точку
первая производная не меняет знак. Поэтому в этой точке нет экстремума.
5
Подробно,ясно,аккуратно,как всегда,большое спасибо)))
Об авторе:
Facta loquuntur.
Facta loquuntur.
20.06.2017, 14:10
общий
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Здравствуйте,Андрей владимирович! Я немного не пойму,как у Вас получилось,что
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20.06.2017, 14:12
общий
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Произошла техническая ошибка при наборе формулы. Прошу извинить!
Об авторе:
Facta loquuntur.
Facta loquuntur.
20.06.2017, 14:19
общий
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Ничего))) Бывает))) Зато в Вашем электронном виде всё красиво и понятно!
25.06.2017, 09:28
общий
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Tati77 Зато в Вашем электронном виде всё красиво и понятно
25.06.2017, 10:18
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Здравствуйте! Я ничего не имею против Елены Васильевны,она мне очень помогла и сразу пришла на помощь,я просто выступила в защиту электронной системы,которая в этот раз дала сбой)))
25.06.2017, 10:21
общий
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Здравствуйте! Извините,меня,пожалуйста,что не оценила Вашу помощь оценкой,была невнимательна( Я очень Вам благодарна.
25.06.2017, 10:32
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Извините, я люблю математику, но вот благородную профессию секретаря-машинистки 21 века не освоила. На будущее буду знать, что Вам нужны решения только в электронном виде и буду проходить мимо Ваших вопросов
25.06.2017, 13:31
общий
25.06.2017, 13:32
Адресаты:
Елена Васильевна Вам нужны решения только в электронном виде и буду проходить мимо Ваших вопросов
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