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JEE MATHEMATICS MCQ: MEAN VALUES THEOREM

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Rolle's theorem is not applicable to the function f(x)=∣x∣f(x)=|x| for −2≤x≤2-2 \leq x \leq 2 because
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Correct option: B
ff is not derivable at x=0x=0
Option B (ff is not derivable at x=0x=0) is correct because Rolle's theorem requires the function to be differentiable on the open interval, which is not true for f(x)=∣x∣f(x) = |x| at x=0x=0.

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