Mathematics · Calculus
Let S = {t ∈ R / f(x) = |x - π|(e|x| - 1) sin|x| is not differentiable at t}, then S is:
- 1{0, π}
- 2{π}
- 3{0}
- 4φ (an empty set)✓
Correct answer
φ (an empty set)
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