127k views
0 votes
PLEASE LOOK AT THE PICTURE I REALLY NEED HELP!!

PLEASE LOOK AT THE PICTURE I REALLY NEED HELP!!-example-1

1 Answer

4 votes

Answer:

B

Explanation:

in complex numbers iĀ²=-1


(7-i)/(3-i)= ((7-i)(3+i))/((3-i)(3+i))= (21+3i+7i+i^(2) )/(3^(2) -i^(2) )= (21+10i-1)/(9+1)== (20+10i)/(10)=2+i

User Ipolevoy
by
3.6k points