Question

What is the additive inverse of the complex number

9−4i?
A. −9−4i
B. −9+4i
C. 9−4i
D. 9+4i

Answer 1

The additive inverse of the complex number 9−4i is -9+4i.

Step-by-step explanation:

The additive inverse of a complex number is the negative of the complex number. In other words, if the complex number is a + bi, then its additive inverse is -a - bi.

For the complex number 9 - 4i, the additive inverse would be -9 + 4i.