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Задать вопрос экспертам

Консультация № 181492

20.12.2010, 20:26

45.76 руб.

0 1 1

Образование

Здравствуйте, уважаемые эксперты! Прошу Вас ответить на следующий вопрос:

Обсуждение

Неизвестный

20.12.2010, 21:15

общий

это ответ

Здравствуйте, Козловский Константин Викторович!
y=x/(x^2+1)
y'=(x^2+1-2x^2)/(x^2+1)^2 = (1-x^2)/(x^2+1)^2
y(-2)=-0.4
y'(-2)=-0.12
уравнение касательной:
y=-0.4-0.12(x+2)
y=-0.12x-0.64
тогда уравнение нормали
y=-0.4+(25/3)(x+2)
y=(25/3)x + (244/15)

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