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Asmaabnh
@Asmaabnh
April 2019
2
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Bonjour, je n'ai rien compris. mercii
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Aftershock
Exercice 45 :
a) x² = 1
x =
√1
x = 1
b) x² = 49
x =
√49
x = 7
c) x² = -81
Un carré ne peut pas être négatif.
d) x² = 2
x =
√2
e) x² = 0
x =
√0
x = 0
f) x² = 1/9
x =
√(1/9)
x = 1/3
0 votes
Thanks 0
Reem
Aftershock ,,, voir ma réponse pour ( c ), que pensez-vous
Reem
A) x = √1 = 1
b) x = √49 = 7
c) -x = √81 = 9
d) x = √2
e) x = 0
f) x = √1/9 = 1/3
0 votes
Thanks 0
Aftershock
Le c) n'est pas juste, un carré ne peut pas être négatif.
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Bonsoir je voudrai savoir qu'est ce que c'est une expansion du nom
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Lista de comentários
a) x² = 1
x = √1
x = 1
b) x² = 49
x = √49
x = 7
c) x² = -81
Un carré ne peut pas être négatif.
d) x² = 2
x = √2
e) x² = 0
x = √0
x = 0
f) x² = 1/9
x = √(1/9)
x = 1/3
b) x = √49 = 7
c) -x = √81 = 9
d) x = √2
e) x = 0
f) x = √1/9 = 1/3