Mathematics
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Jiaxin Zhong
  • Member for 4 years, 9 months
  • Last seen this week
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All Questions Answers
Score Newest
question
15
Does there exist a closed form for the sinc function series $\sum_{n=1}^\infty \frac{\sin\sqrt{n^2+1}}{\sqrt{n^2+1}}$?
Nov 27, 2017
answer
8
Is every axiom in the definition of a vector space necessary?
Aug 7, 2017
answer
3
Limits simple question
Aug 8, 2017
answer
3
Limit of $f(x)\cdot g(x)$ given that $\lim_{x\to 0}{\frac{f(x)}{\sin(2x)}}=2$ and $\lim_{x\to 0}{(\sqrt{x+4}-2)\cdot{g(x)}}=5$
Aug 11, 2017
answer
2
Is $\int_{-\infty}^{\infty} \sin x \, \mathrm{dx}$ divergent or convergent?
Sep 10, 2019
answer
2
Show that $e^{-x}x^n$ is bounded on $[0,\infty)$ and hence prove that $\int_0^\infty e^{-x}x^n \, dx$ exists.
Aug 10, 2017
question
2
The integral of the product of a Bessel function and a trigonometric function $\int J_0(x)\sin(ax)\mathrm{d}x$
Oct 12, 2021
answer
1
probability variance formula intuition
Aug 10, 2017
answer
1
Integral over triple Legendre polynomials involving derivatives
May 24, 2020
answer
1
Scale factors for the Oblate Spheroidal Coordiante system
Aug 8, 2017

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