Qual a resolução para (3/2)2×-1=(16/81)
rosanev:
É 3/2 elevado a -2x?
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(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
(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
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