To find the complex conjugate of a complex number, just change the sign of the imaginary part. For example, the conjugate of \( a + bi \) is \( a - bi \). This helps simplify calculations with complex numbers. The formula is simple: if \( z = a + bi \), then the conjugate is \( \overline{z} = a - bi \). See complex conjugate examples for more details.

Example: Find the complex conjugate of \( 4 + 5i \).

Algebra 2

Real And Complex Numbers