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Rezolvati in multimea numerelor reale ecuatia urmatoare


Rezolvati In Multimea Numerelor Reale Ecuatia Urmatoare class=

Răspuns :

Conditii de existenta

x-1>0

x²-x-4>0

[tex]log_{x-1}(x^2-x-4)=2\\\\(x-1)^2=x^2-x-4\\\\x^2-2x+1=x^2-x-4\\\\5=x[/tex]