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Консультация № 188264
29.11.2015, 09:18
0.00 руб.
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Уважаемые эксперты! Пожалуйста, ответьте на вопрос:
Решить уравнение:
y''-x^2 y=0
Понять не могу как решать
Решить уравнение:
y''-x^2 y=0
Понять не могу как решать
Обсуждение
30.11.2015, 10:04
общий
30.11.2015, 10:06
Адресаты:
По-моему, можно разделить обе части уравнения на y: y''/y - x[sup]2[/sup] =0. Затем положить y'/y = z, откуда z' = y''/y - (y'/y)[sup]2[/sup], y''/y = z' + z[sup]2[/sup]. Получится уравнение z'+z[sup]2[/sup] = x[sup]2[/sup].
Об авторе:
Facta loquuntur.
Facta loquuntur.
01.12.2015, 13:51
общий
Адресаты:
Анна Витальевна, Вам подсказка помогла?
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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