Question

$3 {}^{x} = {2}^{x} + 2 {}^{x + 1}$
Resolva as equações ,rápido prfv​

Answer 1

3^x = 2^x + 2^(x+1)

3^x = 2^x . (1 + 2 ¹ )

3^x / 2^x = 3

(3/2)^x = 3

x . log (3/2) = log 3

x = log 3 / log (3/2)

x ≅ 2,7