What is the complex conjugate of -2?

Dec 23, 2015

$- 2$

Explanation:

First write $- 2$ as a complex number in $a + b i$ form.

$- 2 \implies - 2 + 0 i$

To find a complex conjugate, switch the sign of the imaginary part.

Thus, the complex conjugate of

$- 2 + 0 i$

is

$- 2 - 0 i$

which is still equal to

$- 2$