Functie derivabila

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Bogdan Posa
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Functie derivabila

Post by Bogdan Posa »

Fie \( f: R\to [ - 1,1] \) o functie derivabila astfel incat \( (f(0))^2 +(f^{\prime} (0))^2 = 4 \). Aratati ca exista \( c \) astfel incat \( f(c) + f^{\prime}^{\prime} (c)= 0 \).
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