Z1=2+8iz2=4-3i /+, -, z1/z2; z^2 ^1

Question

Z1=2+8i
z2=4-3i /+, -, z1/z2; z^2
^1

Answer 1

а)z₁+z₂=2+i+3i-1=1+4i

б)z₁-z₃=2+i-(2-i)=2+i-2+i=2i

в)z₁·z₂=(2+i)(3i-1)=6i+3i²-2-i==6i-3-2-i=5i-5