求对数ln(3-4i)^(1+i)=(1+i)ln(3-4i)=(1+i)[ln|3-4i|+iarg(3-4i)]=(1+i)[ln5 - iarctan4/3]=(ln5 + arctan4/3)+i(ln5 - arctan4/3)(3-4i)^(1+i)=e^(ln5 + arctan4/3) * e^i(ln5 - arctan4/3)=5e^(arctan4/3) *e^i(...