Mathematics
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yultan
  • Member for 9 years, 3 months
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All Questions Answers
Score Newest
answer
45
How is Gosper's approximation to factorial derived?
Mar 27, 2017
answer
29
When I was teaching absolute function properties, I suddenly made this question ...
Jul 28, 2015
answer
4
Can you determine a differential equation from its solutions?
Dec 7, 2015
answer
4
Limit involving a recursively-defined sequence
Feb 15, 2016
answer
4
Show that if $a\neq b$, then we have for the $n\times n$-matrix $\textrm{det}=\frac{a^{n+1}-b^{n+1}}{a-b}$.
Apr 3, 2017
answer
3
How to calculate this determinant?
Apr 5, 2017
answer
3
Evaluating $\int^\infty_0e^{a\cos bx}\sin(a\sin bx)\frac{dx}{x}$
Aug 23, 2017
answer
2
If $\sum a_n$ converges and $b_n=\sum\limits_{k=n}^{\infty}a_k $, prove that $\sum \frac{a_n}{b_n}$ diverges
Aug 12, 2014
answer
2
If $r$ is integer solution of $(x-a_1)(x-a_2)\cdots\cdots(x-a_{2n})+(-1)^{n-1}(n!)^2=0$ then $2nr=a_1+ a_2+\cdots+a_{2n}.$
Jun 9, 2015
answer
2
Lower bound for binomial coefficient
Jul 22, 2015
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Why is comma operator called inside operator [] but not inside operator ()?

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