Misal : ² log x = a
2² log² x -5 .² log x + 2 = 0
Jadi :
2a² -5a + 2 = 0
(2a-1) (a-2) = 0
a = 1/2 atau a = 2
.
² log x = 1/2
x = 2^(1/2)
x = √2
² log x = 2
x = 2²
x = 4
Hp
x = √2 dan x = 4
Oke ??
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Misal : ² log x = a
2² log² x -5 .² log x + 2 = 0
Jadi :
2a² -5a + 2 = 0
(2a-1) (a-2) = 0
a = 1/2 atau a = 2
.
² log x = 1/2
x = 2^(1/2)
x = √2
² log x = 2
x = 2²
x = 4
Hp
x = √2 dan x = 4
Oke ??