Ex 5.2, 9 - Prove that f(x) = |x - 1| is not differentiable - Checking if funciton is differentiable

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Ex 5.2, 9 Prove that the function f given by 𝑓 (π‘₯) = | π‘₯ – 1|, π‘₯ ∈ 𝑅 is not differentiable at x = 1. f(x) = π‘₯βˆ’1ο·― f(x) is a differentiable at x = 1 if LHD = RHD

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