Question

let Z1=2-i and Z2=2+i find the imaginary part of 1/Z1Z2​

Answer 1

Answer:

imaginary part = 0

Step-by-step explanation:

[tex]z1 = 2 - i \\ z2 = 2 + i \\ z1z2 = (2 - i)(2 + i) = 4 + 1 = 5 \\ \\ therefore \: \: \: \frac{1}{z1z2} = (1/5) + 0 i