UPSKILL MATH PLUS
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Learn moreIf \(f(x) = \frac{x - 1}{x + 1}\), \(x \neq -1\) show that \(f(f(x)) = -\frac{1}{x}\), provided \(x \neq 0\).
Important!
This is a self-assessment task. Solve this question and assess the solution steps after the completion of the test on your own.
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