For a natural number , define Prove that f is differentiable at x = 0. Here what I did so far: since x approach from the left. since x is approaching to 0. Is that right?
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Originally Posted by tttcomrader For a natural number , define Prove that f is differentiable at x = 0. Here what I did so far: since x approach from the left. since x is approaching to 0. Is that right? If is differentiable at this implies that So having we have that and and since we have that So . Thus is differentiable at
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