Cari nilai x_1 (complex solution)
x_{1}=\frac{e^{y}}{2}
Im(\ln(e^{y}))-Im(y)=0
Cari nilai y (complex solution)
y=\ln(x_{1})+\ln(2)
x_{1}\neq 0
Cari nilai x_1
x_{1}=\frac{e^{y}}{2}
Cari nilai y
y=\ln(x_{1})+\ln(2)
x_{1}>0
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