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log(3/2*e^(i*2pi)+1/2*e^(-i*2pi))-log(3/2*e^(i*0)+1/2*e^(-i*0))
log(3/2*e^(i*2pi)+1/2*e^(-i*2pi))-log(3/2*e^(i*0)+1/2*e^(-i*0))
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