Mathematics · 2019
JEE Main · 10 April 2019, Shift 2 · Q62
If z and w are two complex numbers such that |z w|=1 and (z)- (w)=(π)/2, then:
If $\displaystyle z$ and $\displaystyle w$ are two complex numbers such that $\displaystyle |z w|=1$ and $\displaystyle \arg (z)-\arg (w)=\frac{\pi}{2}$, then :
Official answer
(1)
$\displaystyle \bar{z} w=-i$
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JEE Main 2019 Mathematics question, with the answer from NTA’s final answer key. Where our answers come from.