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misalkan ²log x = a, maka
a² = 1
a=1 atau a=-1
untuk a=1
²log x = a
²log x = 1
x = 2¹
x = 2
untuk a=-1
²log x = a
²log x = -1
x = 2⁻¹
x = 1/2¹
x = 1/2