Answer:
2+5i
Step-by-step explanation:
z1 = 9 + 6i
z2 = -5 +4i
To find the average, we add them together and divide by 2
average = (9 + 6i + -5+4i)/2
= (4+10 i)/2
= 4/2 + 10i/2
=2 + 5i
