# How do you write the complex conjugate of the complex number 7 - 2i?

Jul 9, 2016

7 + 2i

#### Explanation:

Given a complex number z = x ± iy then the $\textcolor{b l u e}{\text{ conjugate}}$ is

color(red)(barz=x∓iy)

Note that the real term x, remains unchanged while the 'sign' of the imaginary term is reversed.

Hence the complex conjugate of 7 - 2i is 7 + 2i