设Z=a+bi1/Z=(a-bi)/(a^2-b^2)又满足Z加1/Z为实数a^2-b^2=1b^2=a^2-1Z-2的模等于2(a-2)^2+b^2=42a^2-4a-1=0a=(4±2根号2)/4=(2±根号2)/2b^2=a^2-1=(1±2根号2)/2b=±根号((1±2根号2)/2)Z=(2±根号2)/2±根号((1±2...