Can f(x)=f^-1(x)? @blackpenredpen
Can f(x)=f^-1(x)? @blackpenredpen
Uploaded November 2025 | Updated September 2026, 1 week ago
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Can the derivative of a function equal the inverse of the function? This is a very interesting differential equation, and the answer even involves the golden ratio!

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Can f'(x)=f^-1(x)?

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