Pour chaque nombre réel x nous mettons e=2x²-3x+3√7; Calculer e pour x=√7,puis pour x= 2√7.... Pergunta de ideia deRawacasafi0713

Rawacasafi0713 @Rawacasafi0713

May 2019 1 60 Report

Pour chaque nombre réel x nous mettons e=2x²-3x+3√7; Calculer e pour x=√7,puis pour x= 2√7

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mimichoupaschups x= $\sqrt{7}$

e = 2x² -3x +3 $\sqrt{7}$
e = 2*( $\sqrt{7}$ )² - 3* $\sqrt{7}$ +3 $\sqrt{7}$
e = 2*7 -3 $\sqrt{7}$ +3 $\sqrt{7}$
e = 14

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