Mathematics
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user12986714
  • Member for 3 years, 8 months
  • Last seen more than 1 year ago
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All Questions Answers
Score Newest
answer
5
Difficulty understanding proof by contradiction
May 3, 2020
question
4
Prove that $\int \sin(x^2)dx$ is not elementary
Apr 29, 2020
answer
3
$f(x)=f^{\prime}(x)+f^{\prime\prime }(x)$ such that $f(a)=f(b)=0$ then prove that $f=0$
May 15, 2020
answer
3
Translation of $[\forall xP(x) \rightarrow (\forall x) Q(x)] \rightarrow (\forall x) [P(x) \rightarrow Q(x)]$ to English
May 5, 2020
answer
2
why does $2^{\log_2c} = c$
May 13, 2020
answer
2
Proving carefully that if $S$ is bounded above then it contains its supremum
Apr 17, 2020
answer
2
If $f$ is integrable on $[a,b]$, then $cf$ is integrable on $[a,b]$
Apr 29, 2020
answer
1
Let $k\geq2$ and $l\in\mathbb{N}$. Prove that $(k+1)^l > k^l$.
May 7, 2020
answer
1
Prove that $\lim\limits_{n\to\infty}\frac{n^2+n+1}{(n+1)^2}=1$
May 7, 2020
answer
1
fundamental theorem of integration to find definite Integration
May 6, 2020
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4
Differences between duplicate flags raised from different entries
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Why ++str and str+1 is working and str++ isn't?

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