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Padova - Ustation

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Domanda 12. Le soluzioni della disequazione log b(2x − 1) > log b x sono date da:<br />

(a) x>1/2 nel caso b>1 e l’insieme vuoto per b ≤ 1<br />

(b) x>1/2 per ogni b>0, b = 1<br />

(c) x>1 nel caso b>1e 1<br />

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