Q.The number of points at which $f(x) = |x-1| + |x-2| + |x-3|$ is not differentiable is

The correct solution involves applying the fundamental concept to derive the final value step by step...

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Q.The number of points at which f(x)=∣x−1∣+∣x−2∣+∣x−3∣f(x) = |x-1| + |x-2| + |x-3|f(x)=∣x−1∣+∣x−2∣+∣x−3∣ is not differentiable is