Question

calcule as exponenciais 8x=(½)

Answer 1

8 ˣ = 1/2

( 2 ³ )ˣ = 2 ⁻ ¹

3x = - 1

x = - 1/3

Answer 2

8ˣ= 1/2

(2³)ˣ= (1/2)^{-1}

2³ˣ = (2/1)¹  → Corta as bases e iguale os expoentes.

3x = 1

 x = 1/3 → Resposta:)