scrieti impartirile cu scaderi repetate:45:9= 49:7= 42:6=

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30 Agustus 2025 matematica 5 minute
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Clasă: Education Materie: matematica
scrieti impartirile cu scaderi repetate:45:9= 49:7= 42:6=
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Cel mai bun răspuns
(64)
45:9=5
49:7=7
42:6=7
Sper ca te-am ajutat!
Răspunsul a fost dat în data 30 Agustus 2025

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Bonsoir

pourriez-vous m'aider svp pour cette exercice.
Merci

On considère la fonction f définie sur [-pi/2 ; pi/2] par

f(x) = √cos(x)

1) donner l'ensemble de derivabilité de la fonction f

j'ai trouvé f'(x) = -sin(x)/2√cos(x) est-ce juste ?

2) calculer l'expression de sa dérivée
3) etudier la variation de la fonction f

là je bloque pour les deux questions
merci pour votre aide
<

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