Mathematics · 2021
JEE Main · 25 February 2021, Shift 1 · Q63
The integer 'k', for which the inequality x^2-2(3 k -1) x+8 k^2-7>0 is valid for every x in R, is:
The integer 'k', for which the inequality $\displaystyle x^2-2(3 \mathrm{k}-1) x+8 \mathrm{k}^2-7>0$ is valid for every $\displaystyle x$ in R, is :
Official answer
(2)
$\displaystyle 3$
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JEE Main 2021 Mathematics question, with the answer from NTA’s final answer key. Where our answers come from.