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Mathematics
Saran Wrap's user avatar
Saran Wrap's user avatar
Saran Wrap's user avatar
Saran Wrap
  • Member for 6 years, 10 months
  • Last seen more than a month ago
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6
Prove the collection of isolated points of a set in $\mathbb{R}^n$ is countable.
Jan 21, 2021
5
Prove $\lim_{x\to 0} f(x)$ exists $\implies\lim_{x\to 0} f(x^2)$ exists
Oct 23, 2019
5
show $\int_{1}^{\infty} \frac{1}{\sqrt{x^4-x}} dx$ converges
Apr 15, 2020
4
Prove $\tan(\frac{x}{2}) = \frac{\sin x}{1 + \cos x} $ using the quadratic formula
Oct 10, 2019
3
Prove ${a}^{2}+{b}^{2}={c}^{2} \Rightarrow$ 3|ab [duplicate]
Aug 12, 2019
2
Prove $f(x)=1/q \forall x=p/q$ in lowest terms cannot be extended to be continuous on $\mathbb{R}$
Dec 28, 2019
2
Prove comparison test for improper integrals
Mar 22, 2020
2
Trying to prove any relation between elements of a group can be derived from the relations in the presentation of the group
Jul 21, 2020
2
$S \subset X$ maximal discrete subset of $X$ and $f: X \rightarrow \mathbb{R}$ be continuous surjective map. Show $f(S) \cap (0,1) \neq \emptyset$.
Oct 12, 2020
2
Proving Zorn's lemma implies axiom of choice (trouble showing every chain has an upper bound)
May 4, 2021