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Q.If z1,z2z_1, z_2 are two complex numbers such that ∣z1−z2z1+z2∣=1\left| \frac{z_1 - z_2}{z_1 + z_2} \right| = 1, then

a
∣z1∣=∣z2∣|z_1| = |z_2|
b
z1=z2ˉz_1 = \bar{z_2}
c
z1z2ˉz_1 \bar{z_2} is purely imaginary
d
none

Correct Answer: Option C

The correct solution involves applying the fundamental concept to derive the final value step by step...

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