Complex Number Decomposition This is all true z=a+biz = a+biz=a+bi Re(z)=12(z+z∗)Re(z)=\frac{1}{2}(z+z^*)Re(z)=21(z+z∗) Im(z)=12i(z−z∗)Im(z)=\frac{1}{2i}(z-z^*)Im(z)=2i1(z−z∗)Conjugate