If z1=(2−i) and z2=(1+i), find ∣∣z1+z2+1z1−z2+i∣∣. – InterviewSolution

1.	If z1=(2−i) and z2=(1+i), find ∣∣z1+z2+1z1−z2+i∣∣.
Answer» If $z_{1} = (2 - i)$ and $z_{2} = (1 + i),$ find $∣ ∣ \frac{z_{1} + z_{2} + 1}{z_{1} - z_{2} + i} ∣ ∣$ .

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