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Verified answer
Bab LogaritmaMatematika SMA Kelas X
(⁴log x)² + 2 . ⁴log x - 15 > 0
⁴log x = p
p² + 2p - 15 > 0
(p + 5) (p - 3) > 0
p + 5 < 0
p < -5
⁴log x < -5
x < 4⁻⁵
x < 1/4⁵
x < 1/1.024
p - 3 > 0
p > 3
⁴log x > 3
x > 4³
x > 64
syarat
x > 0
0 < x
Maka, 0 < x < 1/1024 atau x > 64