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misal 6ˣ = a --> x = ⁶log a
216 a² - 90 a + 6 = 0
bagikan 6
36a² - 15a + 1 = 0
(12 a - 1)( 3a - 1) = 0
a = 1/12 atau a = 1/3
untuk a = 1/12
x = ⁶log (1/12) = ⁶log 12⁻¹= -1 ( ⁶log 6 + ⁶log 2)
x = -1 (1 + ⁶log 2) = -1 - ⁶log 2
untuk a = 1/3
x = ⁶log 1/3 = ⁶log 3⁻¹ = - ⁶log 3