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plot(real((-1+1*exp(-i*pi*t))/(2+1*exp(-i*pi*t))),imag((-1+1*exp(-i*pi*t))/(2+1*exp(-i*pi*t))))
plot(real((-1+1*exp(-i*pi*t))/(2+1*exp(-i*pi*t))),imag((-1+1*exp(-i*pi*t))/(2+1*exp(-i*pi*t))))
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