CBSE

MATHEMATICS · Subjective · CBSE · Mathematics · Complex Numbers and Quadratic Equations · Complex Numbers and Quadratic Equations

Problem

5. If z1=2−i,z2=1+iz_{1}=2-i, z_{2}=1+i, find ∣z1+z2+1z1−z2+1∣\left|\frac{z_{1}+z_{2}+1}{z_{1}-z_{2}+1}\right|.

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