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monografía - Límites

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3.3.1 Aplicaciones de límites de funciones logarítmicas

Para afianzar los conocimientos desarrollados ahora veremos algunos

ejercicios.

ln(a+x)−ln(a)

Ejercicio: lim

= L

X→0 x

ln(a + x) − ln(a)

L = lim

x→0 x

ln (

L = lim

x→0

a + x

x )

x

L = lim

x→0

( 1 x ) . ln(1 + x a )

a

L = lim

x→0 x (1 a ) . ln (1 + x a )

L = 1 a lim

x→0 ln(1 + x a )a x

L = 1 a ln(lim

x→0 (1 + x a )a x

L = 1 ln e

a

L = 1 a

24

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