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If z and w are two complex numbers such that |zw| = 1 and arg(z) – arg(w) = 2 π , then:

1. 2 i 1 w z − =
2. i w z =
3. i w z − =
4. 2 i 1 w z + − = CAREER POINT CAREER POINT , CP Tower, IPIA, Road No.1, Kota (Raj.), : 0744-6630500 | www.ecareerpoint.com Email: info@cpil.in Page # 5 JEE Main Online

Correct answer: i w z − =

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