Ivan Shishkin, Birch Grove

Odd function

Definition / Real function / Usable

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A function f:R→Rf:\R \rightarrow \R is odd if, for all x∈Rx\in \R, f(−x)=−f(x)f(-x)=-f(x).

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  • Soit f ⁣:R→Rf\colon\R\to\R une fonction impaire. Montrer qu’elle s’annule forcément en 00, soit que f(0)=0f(0)=0.

    Open exercise
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