Solution
= Solution
Multiply numerator and denominator by the <complex conjugate> of $1-i$:
$$
\frac{1+i}{1-i}=\frac{(1+i)^2}2=i.
$$
Thus the <real part> and <imaginary part> are respectively
$$
\boxed{0,\qquad1.}
$$
= Solution
Multiply numerator and denominator by the <complex conjugate> of $1-i$:
$$
\frac{1+i}{1-i}=\frac{(1+i)^2}2=i.
$$
Thus the <real part> and <imaginary part> are respectively
$$
\boxed{0,\qquad1.}
$$