DOSSIER : LA
FONCTION LOGARITHME
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CORRIGE / |
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TRAVAUX AUTO FORMATIFS. |
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CONTRÖLE : |
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Traduire : log x ou ln x |
lire logarithme népérien de x |
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Quelle est la forme de la représentation
graphique de log x |
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Compléter l’égalité : |
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Log a b = |
Log
a b = log a
+ log b |
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Log |
Log
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Log |
Log
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Log a n = |
Log a n =
n log a Log a n =
n log a |
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Exercices : Résoudre . |
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1.
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Log x + log 6 =
2 log 4 |
Log 6 x = log 4 2 ; 6 x =
1 6 ; x = |
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2.
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3.
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2 log x + log 8 =
2 log x |
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4.
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2 log x + log 8 =
2 log 4 |
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5.
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- log x + 2 log x = 2 log x |
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6.
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log 2 x =
log 2 + log 4 |
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7.
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log ( x + 1 ) + log ( x
+ 5 ) = log
96 |
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8.
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Log 2 x +
log x + 2 =
log 8 |
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