Here is a problem I made up:
Find all differentiable functions $f$ from the reals to the reals such that $f(f(x))=f'(x)$ for all real $x$.
2026-04-03 12:35:54.1775219754
Find all differentiable functions $f$ such that $f(f(x))=f'(x)$
105 Views Asked by Bumbble Comm https://math.techqa.club/user/bumbble-comm/detail AtRelated Questions in CALCULUS
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