# How do you write the complex conjugate of the complex number  -3 + 2i?

Jul 3, 2016

It is $- 3 - 2 i$.
Given a complex number $a + i b$ the conjugate is $a - i b$.
Then we have to change the sign of the part with the $i$.
In this case $- 3 + 2 i$ has the conjugate $- 3 - 2 i$.