Question

Rezolvati in multimea (0,+infinit) ecuatia x^2+9^log 3 x=8
Vă rog frumos.pas cu pas

Answer 1

x^2+×^log in baza 3 din 9 = 8

x^2+x^2=8

2 × x^2 = 8

x^2=4

x=2