Forum Studenti •Eserciziario Disequazioni 7 pag 27 (diseq. nr. 16)

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Forum Studenti •Eserciziario Disequazioni 7 pag 27 (diseq. nr. 16)

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Eserciziario Disequazioni 7 pag 27 (diseq. nr. 16)

Inviato: venerdì 15 maggio 2009, 11:11

da muramax

Buongiorno,
ho difficoltà nel risolvere la seguente disequazione log5(sqrt(4-x) -2^x) > 0
ho provato a porre l'argomento > 1 e a cercare di risolvere ma senza successo.
Il dubbio che mi è venuto è di non riuscire con gli elementi del precorso di risolverla analiticamente. Ho provato per via grafica ma con la radice non riesco.
Ho svolto bene fino a qui tutti gli esercizi del libro, ma questa non riesco proprio a risolverla.
Qualcuno puo' aiutarmi ? grazie.

Re: Eserciziario Disequazioni 7 pag 27 (diseq. nr. 16)

Inviato: sabato 16 maggio 2009, 12:10

da Massimo Gobbino

Re: Eserciziario Disequazioni 7 pag 27 (diseq. nr. 16)

Inviato: sabato 16 maggio 2009, 15:32

da muramax

Re: Eserciziario Disequazioni 7 pag 27 (diseq. nr. 16)

Inviato: sabato 16 maggio 2009, 18:16

da Tavaguet

Inviato: sabato 16 maggio 2009, 18:55

da muramax