YOSSi2
YOSSi2
26-04-2017
Mathematics
contestada
How to solve this problem?
Respuesta :
Аноним
Аноним
26-04-2017
3^(x+4) = 6^(2x-5)
take logs
ln 3^x+4 = ln 6^2x-5
(x+4) ln3 = (2x-5)ln5
x + 4 ln5
---- -- = ------ = 1.465
2x - 5 ln3
x + 4 = 2.93x - 7.325
x = 11.325 / 1.93 = 5.868
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