On sait que x⩾0. Comparer 1/(x+7) et 1/(x+2).

On sait que x⩽0. Comparer 1/(x–6) et 1/(x–10).

On sait que x⩾3. Comparer 1/(4x–2) et 1/10.

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Grade: Education Subject: mathematiques
On sait que x⩾0. Comparer 1/(x+7) et 1/(x+2).

On sait que x⩽0. Comparer 1/(x–6) et 1/(x–10).

On sait que x⩾3. Comparer 1/(4x–2) et 1/10.
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Réponse:

1/(x+7)>1/(x+2)

1/(x+6)>1/(x-10)

1/(4x-2)>1/(x-10)