Question

Logaritm in baza 3 din x = 4-x. x=?

Answer 1

$Log_{3}x=4-x$
scriem in baza x
=> $Log_{3}x= \frac{Log_{x}x}{Log_{x}3} =4-x$

$Log_{x}x$=1
=>(4-x)*$Log_{x}3$ = 1
=> 4-x =1 
=> x=3