Mathematics · 2019
JEE Main · 9 January 2019, Shift 2 · Q72
If both the roots of the quadratic equation x^2- m x+4=0 are real and distinct and they lie in the interval [1, 5], then m lies in the interval:
If both the roots of the quadratic equation $\displaystyle x^2-\mathrm{m} x+4=0$ are real and distinct and they lie in the interval [$\displaystyle 1$, $\displaystyle 5$], then m lies in the interval :
Official answer
(3)
$\displaystyle (4,5)$
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JEE Main 2019 Mathematics question, with the answer from NTA’s final answer key. Where our answers come from.