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JEE Main PAPER - 1

JEE Main · 2018

180 questions · One at a time

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53
MCQ4 marks

Let S={tR:f(x)=xπ(ex1)sinx is not differentiable at t}S = \{t \in \mathbf{R} : f(x) = |x - \pi| \cdot (e^{|x|} - 1) \sin |x| \text{ is not differentiable at } t \}  . Then the set S is equal to:

  • A.{π}\{\pi\}
  • B.{0,π}\{0, \pi\}
  • C.ϕ\phi   (an empty set)Correct
  • D.{0}\{0\}
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