Question

(1+i/1-i)三次方的共轭复数

Answer 1

两个实部相等,虚部互为相反数的复数互为共轭复数(conjugate complex number).

(1+i)/(1-i)

=(1+i)^2/((1-i)(1+i))

=i

i^3

=i^2*i

=-i

(1+i/1-i)三次方的共轭复数为i