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logaritma

³log² x – ³log x² – 3 = 0

³log² x – 2 . ³log x – 3 = 0

misal → ³log x = a

³log² x – 2 . ³log x – 3 = 0

a² – 2a – 3 = 0

(a – 3)(a + 1) = 0

a = 3 atau a = -1

a = -1

³log x = -1

x = 3^-1

x = 1/3

a = 3

³log x = 3

x = 3³

x = 27

HP = {1/3 , 27}