JEE Main 201910 Apr, Evening shiftMathematicsEasyComplex Numbers and Quadratic Equations264× since 2002If z and w are two complex numbers such that |zw| = 1 and arg(z) – arg(w) = π2{\pi \over 2}2π , then :AOption A. zw‾=1−i2z\overline w = {{1 - i} \over {\sqrt 2 }}zw=21−iBOption B. z‾w=i\overline z w = izw=iCOption C. zw‾=−1+i2z\overline w = {{ - 1 + i} \over {\sqrt 2 }}zw=2−1+iDOption D. z‾w=−i\overline z w = -izw=−iCheckSkip · show solution
