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rezolvati in R ecuatia log4(x2+2x -4) egal 1

Răspuns :

[tex] log_{4}( x^{2} +2x-4)=1 \\ x^{2} +2x-4=4 \\ x^{2} +2x-8=0 \\ x_{1}=-4; x_{2}=2 [/tex]