Solution
= Solution
Multiply the numerator and denominator by the <complex conjugate> $1+i$: $(1+i)/(1-i)=(1+i)^2/2=i$, whose square is $-1$. Thus
$$
\boxed{\operatorname{Re}=-1,\qquad\operatorname{Im}=0.}
$$
= Solution
Multiply the numerator and denominator by the <complex conjugate> $1+i$: $(1+i)/(1-i)=(1+i)^2/2=i$, whose square is $-1$. Thus
$$
\boxed{\operatorname{Re}=-1,\qquad\operatorname{Im}=0.}
$$