Автор - coolsevito2012

найти производную f(x)=(x^2-1)/(x^2+1)

Ответ

Автор - lolomypp13
f(x)=(x^2-1)/(x^2+1)
f'(x)=(2x)/(x^2+1)-(2x(x^2-1))/(x^2+1)^2

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