Le equasions esponensialis
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LE EQUASIONS ESPONENSIALIS. A cure di Deborah Tosoratti. Une equasion esponensial si dis esponensial se in esse l’incognite compar come esponent di almancul un dai soi termins. Son equasions esponensialis: 3 x +5=2; 2 x -x+1=0;.

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Le equasions esponensialis
LE EQUASIONS ESPONENSIALIS

A cure di Deborah Tosoratti


Une equasion esponensial si dis esponensial se in esse l’incognite compar come esponent di almancul un dai soi termins.


Son equasions esponensialis 3 x 5 2 2 x x 1 0
Son equasions esponensialis: l’incognite compar come esponent di almancul un dai soi termins.3x+5=2; 2x-x+1=0;


Le equasion esponensial l’incognite compar come esponent di almancul un dai soi termins.ax=bse a > 0, a ≠ 1 e b> 0, amet une e une sole solusion:-positive, se a e b e son entrambs magiors di 1, o entrambi minors di 1;-negative, se un dai doi numars a e b ale magior di 1 e l’atri ale minor di 1;-ugual a zero, se ale b=1 e a >0.


A chist punt o podin osservà che : l’incognite compar come esponent di almancul un dai soi termins.le equasions esponensialis 3x=-3 e 1x=2non dan solusions, parsè 3x ale simpri positiv e 1x=1 par ogni x


Le equasion esponensial 3 x 5 no a significat pars al prim membri no risulte definit par ogni x e r
Le equasion esponensial: l’incognite compar come esponent di almancul un dai soi termins.(-3)x=5,no a significat, parsè al prim membri no risulte definit par ogni x E R.


Inoltri, al procediment che si use par le risolusion di une equasion esponensial a ie diviarse a seconde dal tipo di equasion.


Esemplis 3 x 9 and come solusion x 2 3 x 1 9 and come solusion x 2 1 3 x 1 and come solusion x 0
ESEMPLIS: equasion esponensial a ie diviarse a seconde dal tipo di equasion.3x=9 andà come solusion x=23x=1/9 andà come solusion x= -2(1/3)x=1 andà come solusion X=0


1 4 x 0 no a solusions 5 x 1 no a solusions 1 3 x 1 9 and come solusion x 2
(1/4) equasion esponensial a ie diviarse a seconde dal tipo di equasion.x=0 no a solusions(5)x=-1 no a solusions(1/3)x=1/9 andà come solusion X=2


FIN equasion esponensial a ie diviarse a seconde dal tipo di equasion.


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