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Mathematics · 2018
JEE Main · 15 April 2018, Shift 1 · Q62
If λ ∈ R is such that the sum of the cubes of the roots of the equation, x^2+(2-λ) x+(10-λ)=0 is minimum, then the magnitude of the difference of the…
If $\displaystyle \lambda \in \mathbf{R}$ is such that the sum of the cubes of the roots of the equation, $\displaystyle x^2+(2-\lambda) x+(10-\lambda)=0$ is minimum, then the magnitude of the difference of the roots of this equation is :
Official answer
(2)
$\displaystyle 2 \sqrt{5}$
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JEE Main 2018 Mathematics question, with the answer from NTA’s final answer key. Where our answers come from.