Question

Please determine the conjugate of 9 - 3i ?

Answer 1

9 + 3i

Explanation:

The conjugate is just the opposite so a+b is a-b in this scenario 9 - 3i has a conjugate of 9 + 3i

Answer 2

Explanation:

You find the complex conjugate simply by changing the sign of the imaginary part of the complex number.

the answer is

9+3i