Question

Determine kem z1-z2=3+2i,sendo z1=k+mi e z2=2-2i

Answer 1

k+mi-(2-2i)=3+2i
k+mi-2+2i=3+2i
k-2=3
(m+2)i=2i

k-2=3
k=3+2
k=5

m+2=2
m=2-2
m=0