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Gabriel Bianconi

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visits member for 4 months
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172 reputation
 bio website gabrielbianconi.com visits member for 4 months
5 badges
 location seen Jan 25 at 21:22
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3 Questions

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5
 $\epsilon$-$\delta$ proof that $f(x) = x \sin(1/x)$, $x \ne 0$, is continuous
4
 $\epsilon$-$\delta$ proof that $f$ is continuous for $x\notin\mathbb Q$ but isn't for $x\in\mathbb Q$
4
 Prove that $f$ is not continuous for any value in $\mathbb R$.

172 Reputation

+20 $\epsilon$-$\delta$ proof that $f$ is continuous for $x\notin\mathbb Q$ but isn't for $x\in\mathbb Q$
+20 Prove that $f$ is not continuous for any value in $\mathbb R$.
+25 $\epsilon$-$\delta$ proof that $f(x) = x \sin(1/x)$, $x \ne 0$, is continuous

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continuity × 3
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limit × 2
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functions × 3

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