Let f,g := be given by f(x) := 0, x = 0 and g(x) := 0, x = 0 Prove that f is not differentiable at x = 0 and that g is differentiable at x = 0.
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Originally Posted by thaopanda Let f,g := be given by f(x) := 0, x = 0 and g(x) := 0, x = 0 Prove that f is not differentiable at x = 0 and that g is differentiable at x = 0. A function F(x), is differentiable at x= 0 if and only if the limit exists. Do that for both f(x) and g(x) and see what you get!
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