Mathematics · 2020
JEE Main · 6 September 2020, Shift 2 · Q52
If α and β are the roots of the equation 2 x(2 x+1)=1, then β is equal to:
If $\displaystyle \alpha$ and $\displaystyle \beta$ are the roots of the equation $\displaystyle 2 x(2 x+1)=1$, then $\displaystyle \beta$ is equal to :
Official answer
(2)
$\displaystyle -2 \alpha(\alpha+1)$
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JEE Main 2020 Mathematics question, with the answer from NTA’s final answer key. Where our answers come from.