let f(x) = { 8x if x \in \mathbb{Q} ; 4x if x \notin mathbb{Q}} a) use sequence property show that f is not differentiab

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answerhappygod
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let f(x) = { 8x if x \in \mathbb{Q} ; 4x if x \notin mathbb{Q}} a) use sequence property show that f is not differentiab

Post by answerhappygod »

let f(x) = { 8x if x \in \mathbb{Q} ; 4x if x \notin
mathbb{Q}}
a) use sequence property show that f is not differentiable at
x=0
b) use epsilon-delta definition, prove that f is continuous at
x=0
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