Răspunsuri

2014-02-17T15:41:04+02:00
2^x + 2^(x+1) + 2^(x+2) = (dai 2^x factor comun) 2^x (1 + 2 + 4) = 7 * 2^x
Analog 6^x + 6^(x+1) = 7 ^ 6^x
Deci ce ai scris tu ajunge la ecuatia 2^x = 6^x (6^x = 2^x * 3^x)
Daca simplifici prin 2^x ajungi la 1 = 3^x, care are unica solutie x=0
1 5 1
  • Utilizator Brainly
2014-02-17T15:47:53+02:00