Mathematics
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zkutch
  • Member for 3 years, 7 months
  • Last seen this week
  • Tbilisi, Georgia
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Mathematics. Mountaineering. Programming. More 30 years.

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All Questions Answers
Score Newest
answer
13
Can anyone tell me if my proof is right?
Mar 21, 2021
answer
11
I think I found a flaw in the $\varepsilon$-$\delta$ definition of continuity.
Aug 4, 2020
answer
9
Why to calculate "Big O" if we can just calculate number of steps?
Sep 15, 2021
answer
8
$\lim\limits_{x\to\infty}\frac{\sin(x)}{\sqrt{x^{2}+1}}$
Jun 12, 2021
answer
7
How to prove that $\lim\limits_{x\to0}\frac{\sin x}x=1$?
Jun 27, 2020
answer
7
Evaluate $\lim_{x\to+\infty} \frac{3x^3+x\cos{\sqrt{x}}}{x^4\sin{\frac{1}{x}}+1}$
Jul 6, 2020
answer
7
Integration by parts: $x f(x) dx$
Apr 13, 2022
answer
6
How to integrate :$\int \frac{\sin^4x+\cos^4x}{\sin x \cos x}\:dx$
Jun 19, 2020
answer
6
“Proof” that zero is equal to one by infinitely subtracting numbers
Nov 24, 2020
answer
5
$\lim_{x \to \frac{\pi}{2}} \biggl|\frac{1}{(1+\sin x)\log(\sin x)}+\frac{1}{\cos^2x} \biggl| $
Aug 13, 2021
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27
How do you find the disk size of a Postgres / PostgreSQL table and its indexes
20
Can I multiply Big-O time complexities?
13
Arrange in increasing order of asymptotic complexity
8
Isn't linear time O(n)?
6
small o notation

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