⁴log²x=⁴logx² tolong dijawab

jawab

⁴log² x = ⁴ log x²

⁴log² x - ⁴log x² = 0
⁴log² x - 2 . ⁴log x = 0

set  ⁴log x = a → x = 4ᵃ
a² - 2a = 0
a(a - 2) = 0
a = 0  atau a = 2

a= 0 , x = 4ᵃ = 4⁰ = 1
a = 2, x = 4² = 16