JEE Main 2021 Mathematics question
If z and are two complex numbers such that |z| = 1 and arg(z) – arg() = , then is : (Here arg(z) denotes the principal argument of complex number z)
Answer: (B)
Solution
The source's own worked derivation matches option (2), while separately stating "Official Ans. by NTA (3)". Printed key [2] is used here.