List questions from alternative-proof

Published on 30 Jan 2018 - 17:55

1.4k

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If the limits at infinity of $f$ and $f'$ exist and are finite, then is $\lim_{x \rightarrow \infty} f'(x) = 0$?

Published on 01 Feb 2018 - 17:10

358

Views

Is it sufficient to prove Jensen's Inequality holds for an example probability distribution to prove that a function is convex?

Published on 22 Mar 2026 - 23:02

217

Views

Is there another proof about irrationality of $\sqrt{2}$ without using a contradiction?

Published on 04 Feb 2018 - 22:37

1k

Views

Proof for proving infinite order of complex numbers

Published on 17 Mar 2026 - 14:17

254

Views

Proof Verification in Ring Theory, Divisors of $0$ in $Z_n$

Published on 17 Mar 2026 - 18:49

1.8k

Views

Intersection of compact subsets of metric space / seeking alternative proof

Published on 17 Mar 2026 - 22:21

66

Views

Proof regarding complex numbers

Published on 17 Mar 2026 - 0:51

257

Views

Is there a coordinate free proof for this result?

Published on 22 Mar 2026 - 8:00

73

Views

pointwise convergence uniqueness for complex functions

Published on 17 Mar 2026 - 13:48

44

Views

Does the ordinary differential equation exist?

Published on 17 Mar 2026 - 4:23

6.7k

Views

HCF and LCM of two numbers are same. Find the difference between the two numbers.

Published on 10 Feb 2018 - 8:35

70

Views

what is the limit of $\frac1{n+1}$ as $n\to\infty$?

Published on 17 Mar 2026 - 16:32

8.1k

Views

Every k-cell is compact / alternative proof

Published on 17 Mar 2026 - 4:34

614

Views

Ancient Greek proofs of Archimedes' three properties of the parabola?

Published on 22 Mar 2026 - 12:09

List Question

Alternative proof to Rudin's "any intersection of closed sets is closed"

If the limits at infinity of $f$ and $f'$ exist and are finite, then is $\lim_{x \rightarrow \infty} f'(x) = 0$?

Is it sufficient to prove Jensen's Inequality holds for an example probability distribution to prove that a function is convex?

Is there another proof about irrationality of $\sqrt{2}$ without using a contradiction?

Proof for proving infinite order of complex numbers

Proof Verification in Ring Theory, Divisors of $0$ in $Z_n$

Intersection of compact subsets of metric space / seeking alternative proof

Proof regarding complex numbers

Is there a coordinate free proof for this result?

pointwise convergence uniqueness for complex functions

Does the ordinary differential equation exist?

HCF and LCM of two numbers are same. Find the difference between the two numbers.

what is the limit of $\frac1{n+1}$ as $n\to\infty$?

Every k-cell is compact / alternative proof

Ancient Greek proofs of Archimedes' three properties of the parabola?

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