Respuesta :

Step-by-step explanation:

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

the answer is

9+3i

Answer:

9 + 3i

Step-by-step explanation:

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