Offline paper
Mathematics · 2018
JEE Main 2018 · 2018-04-08 Offline · Q71
Let S ={ t ∈ R: f(x)=|x-π| ·( e^|x|-1) sin |x|. is not differentiable at t }. Then the set S is equal to:
Let $\displaystyle \mathrm{S}=\left\{\mathrm{t} \in \mathbf{R}: f(x)=|x-\pi| \cdot\left(\mathrm{e}^{|x|}-1\right) \sin |x|\right.$ is not differentiable at $\displaystyle \mathrm{t}$ }. Then the set S is equal to :
Official answer
(1)
$\displaystyle \phi$ (an empty set)
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JEE Main 2018 Mathematics question, with the answer from NTA’s final answer key. Where our answers come from.