Real and Imaginary Parts Using Conjugate
## Formula
For:
$$z=a+ib$$
$$\operatorname{Re}(z)=\frac{z+\bar z}{2}$$
$$\operatorname{Im}(z)=\frac{z-\bar z}{2i}$$
## Usage
- Used when a complex expression is given without explicitly separating its real and imaginary parts.