Ex 5.8, 2 (ii) - Chapter 5 Class 12 Continuity and Differentiability (Term 1)

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Ex 5.8, 2 Examine if Rolle’s theorem is applicable to the functions. Can you say some thing about the converse of Rolle’s theorem from this function? (𝑖𝑖) 𝑓 (𝑥) = [𝑥] 𝑓𝑜𝑟 𝑥 ∈ [−2, 2]Greatest Integer less than equal to 𝑥 𝑓 (𝑥) =[𝑥] is not continuous & differentiable ⇒ Condition of Rolle’s Theorem is not satisfied. Therefore, Rolle’s Theorem is not applicable .