复变函数
1个回答
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z=(1+i)/(1-i)=i,z^{100}+z^{75}+z^{50}=-i
f(z)=z^2\ln z,f'(z)=2z\ln z+z,f'(0)=0
1-e^{-z}=0,-z=i2k\pi,z=-2ik\pi
曲线参数方程为:x=t^2,y=t,0<=t<=1
\int_Czdz=\int_0^1(t^2+it)d(t^2+it)
=\int_0^1(t^2+it)(2t+i)dt
=\int_0^1(2t^3-t+3t^2i)dt
=i
f(z)=z^2\ln z,f'(z)=2z\ln z+z,f'(0)=0
1-e^{-z}=0,-z=i2k\pi,z=-2ik\pi
曲线参数方程为:x=t^2,y=t,0<=t<=1
\int_Czdz=\int_0^1(t^2+it)d(t^2+it)
=\int_0^1(t^2+it)(2t+i)dt
=\int_0^1(2t^3-t+3t^2i)dt
=i
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