Mathematics · 2019
JEE Main · 12 April 2019, Shift 2 · Q62
Let z ∈ C with Im (z)=10 and it satisfies (2 z- n)/(2 z+ n)=2 i-1 for some natural number n. Then:
Let $\displaystyle z \in \mathrm{C}$ with $\displaystyle \operatorname{Im}(z)=10$ and it satisfies $\displaystyle \frac{2 z-\mathrm{n}}{2 z+\mathrm{n}}=2 i-1$ for some natural number
n. Then :
Official answer
(4)
$\displaystyle \mathrm{n}=40 \text { and } \operatorname{Re}(z)=-10$
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JEE Main 2019 Mathematics question, with the answer from NTA’s final answer key. Where our answers come from.