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Консультация № 190897
18.04.2017, 17:13
0.00 руб.
0
4
2
Здравствуйте! У меня возникли сложности с таким вопросом:
1) y''+y'*tg(x)=sin*2x;
2)xdx+ydy+(ydy-xdx/x^2+y^2)
1) y''+y'*tg(x)=sin*2x;
2)xdx+ydy+(ydy-xdx/x^2+y^2)
Обсуждение
19.04.2017, 09:52
общий
это ответ
Здравствуйте, anka.gorelkina!
Рассмотрим уравнение
Положим
Тогда 
Из уравнения 
получим
Рассмотрим уравнение
Тогда
Решение уравнения
ищем в виде 
Тогда
значит, решением уравнения является функция
а поскольку
постольку
- общее решение уравнения 
Рассмотрим уравнение
Положим
Тогда Из уравнения получимРассмотрим уравнение
Тогда
Решение уравнения
ищем в виде Тогдазначит, решением уравнения
является функцияа поскольку
постольку - общее решение уравнения
Об авторе:
Facta loquuntur.
Facta loquuntur.
19.04.2017, 16:45
общий
19.04.2017, 18:23
это ответ
Здравствуйте, anka.gorelkina!
У меня получилось так.
У меня получилось так.
Прикрепленные файлы:
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