Question

Qual a resolução para (3/2)2×-1=(16/81)

Answer 1

(3/2)⁻²ˣ=(16/81)

(3/2)⁻²ˣ = 2⁴/3⁴

(3/2)⁻²ˣ = (2/3)⁴

(2/3)²ˣ = (2/3)⁴

Simplificar as bases:

2x = 4
x = 4/2
x = 2