Mathematics · 2018
JEE Main · 15 April 2018, Shift 2 · Q62
If f(x) is a quadratic expression such that f(1)+f(2)=0, and -1 is a root of f(x)=0, then the other root of f(x)=0 is:
If $\displaystyle f(x)$ is a quadratic expression such that $\displaystyle f(1)+f(2)=0$, and -$\displaystyle 1$ is a root of $\displaystyle f(x)=0$, then the other root of $\displaystyle f(x)=0$ is :
Official answer
(4)
$\displaystyle \frac{8}{5}$
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JEE Main 2018 Mathematics question, with the answer from NTA’s final answer key. Where our answers come from.