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UP TGT Mathematics Calculus Differentiation Test Series - Part 1

If f(x) = |x|, then f'(0):

Type: MCQ • Marks: 1
If f(x) = |x|, then f'(0):
Options
A. Equals 0
B. Does not exist
C. Equals 1
D. Equals -1
Explanation
Left-hand derivative is -1 and right-hand derivative is +1; hence non-differentiable at x = 0.
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