Mathematics · Differentiability
Which of the following functions is differentiable at x = 0?
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 1cos(|x|) - |x|✓
- 2sin(|x|) + |x|
- 3sin(|x|) - |x|
- 4cos(|x|) + |x|
Correct answer
cos(|x|) - |x|
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