French Chandler
01/08/2024 · Middle School
2) On considère la proposition \( (Q):\left(\forall(a, b) \in \mathbb{R}^{2}\right): " f(a)=f(b) \Rightarrow a=b \). 3) Donner la négation de la proposition \( (Q) \) 4) Déduire de 1) a) que \( (Q) \) est fausse 5) Calculer \( f(1) \) pnis \( f(-1) \)
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### 3) Négatie van \( (Q) \)
\[
\neg(Q): \left(\exists(a, b) \in \mathbb{R}^{2}\right): " f(a)=f(b) \land a \neq b ".
\]
### 4) Deductie dat \( (Q) \) fout is
\( (Q) \) is fout omdat er waarden \( a \) en \( b \) zijn waarvoor \( f(a) = f(b) \) en \( a \neq b \).
### 5) Berekening van \( f(1) \) en \( f(-1) \)
Zonder specifieke functie-informatie kunnen de waarden niet worden berekend.
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