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Si \( a=-3, b=2 \) et \( c=-1 \) CALCULE la valeur numérique \( a^{2}-c= \)

Ask by Evans Coles. in Belgium
Feb 03,2025

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La valeur numérique de \( a^{2} - c \) est 10.

Solution

Étant donné que \( a = -3 \) et \( c = -1 \), calculons la valeur de \( a^{2} - c \) : \[ a^{2} - c = (-3)^{2} - (-1) = 9 + 1 = 10 \] Donc, la valeur numérique de \( a^{2} - c \) est **10**.

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Pour calculer \( a^{2} - c \), nous remplaçons \( a \) et \( c \) par leurs valeurs respectives. Soit \( a = -3 \) et \( c = -1 \). Calculons \( a^{2} \) : \[ a^{2} = (-3)^{2} = 9 \] Maintenant, nous soustrayons \( c \) : \[ a^{2} - c = 9 - (-1) = 9 + 1 = 10 \] Ainsi, la valeur numérique de \( a^{2} - c \) est \( 10 \).

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