In fact, it is known in functional iterations that such rational functions of degree â‰¥ 2 can have up to \( 2n \) solutions for \( f^n(x) = x \), but here we are solving \( f(f(x)) = x \), so up to 9 solutions (since numerator degree â‰¤ 9, odd).

Sun, 03 May 2026 04:09:31 +0000

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