MathCastle
ChallengeMedium

Challenge · Medium problem

A function ff, defined for every real number x∉{0,1}x \notin \{0, 1\}, satisfies f(x)+f ⁣(x−1x)=1+xf(x) + f\!\left(\dfrac{x-1}{x}\right) = 1 + x for all such xx. Find f(2)f(2).

Express your answer as a common fraction.

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