Mathematics · 2022
JEE Main · 26 July 2022, Shift 1 · Q2
Let O be the origin and A be the point z_1=1+2 i. If B is the point z_2, Re (z_2)<0, such that OAB is a right angled isosceles triangle with OB as…
Let O be the origin and A be the point $\displaystyle z_1=1+2 i$. If B is the point $\displaystyle z_2, \operatorname{Re}\left(z_2\right)<0$, such that OAB is a right angled isosceles triangle with OB as hypotenuse, then which of the following is NOT true ?
Official answer
(4)
$\displaystyle \left|2 z_1-z_2\right|=5$
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JEE Main 2022 Mathematics question, with the answer from NTA’s final answer key. Where our answers come from.