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avatar+564 

log4(x)=log4(x)

 May 27, 2014

Best Answer 

 #3
avatar+564 
+5

Thank you so much guys!

 May 27, 2014
 #1
avatar+26397 
+7

log4(4)=1

log4(x)=log4(x)x=4log4(4)=log4(4)1=1=1

x=4

...or

log4(x)=log4(x)|12log4(x)×log4(x)=log4(x)|:log4(x)log4(x)=1|4x4log4(x)=x=41x=4

.
 May 27, 2014
 #2
avatar+2354 
+5

log4(x)=log4(x)

(log4(x))2=log4(x)

(log4(x))2log4(x)=0

log4(x)(log4(x)1)=0

log4(x)=0 or log4(x)=1

x=1 or x=41=4

 

Sorry for the double solution, but I wanted a variant which also gave x=1

 

Reinout 

 May 27, 2014
 #3
avatar+564 
+5
Best Answer

Thank you so much guys!

chilledz3non May 27, 2014

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