Mathematics
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Daniel R
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79 Answers

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17
In calculus, which questions can the naive ask that the learned cannot answer?
Aug 4 '14 at 19:56
13
Is this a valid way to prove this modified harmonic series diverges?
Oct 21 '16 at 7:33
9
sum of 4 squares
Dec 16 '13 at 15:32
8
Analytic continuation of factorial function
Sep 2 '13 at 10:52
8
Numbers with no finite representation on paper
Jun 26 '13 at 20:12
6
Does there exist a finite group with orders of elements $1$, $2$, …, $8$ (but no elements of larger order)?
Oct 25 '16 at 13:20
6
Working out $\tan x$ using sin and cos expansion
Apr 17 '15 at 12:32
6
Probability of an integer being a prime
Nov 26 '14 at 15:26
6
Asymptotic approximation to find the Barnes integral
May 27 '14 at 19:27
6
Trigonometric equation in two ways gives different answer
Sep 6 '13 at 6:49
5
Is there any book/resource which explain the general idea of the proof of Fermat's last theorem?
Sep 18 '14 at 19:26
5
One question to know if the number is 1, 2 or 3
Oct 3 '13 at 9:47
4
Difficult Polynomial Question
Oct 11 '14 at 8:04
4
Describing a third variable with two other variables, using combination of elementary functions.
Sep 2 '13 at 13:35
4
Algebraic numbers and their closure
Mar 11 '14 at 15:36
4
Does this sequence always give a square number?
Oct 3 '13 at 13:54
3
Use induction to prove that $F_n \ge \sqrt 2 ^n$ for $n \ge 6$
Sep 1 '15 at 19:00
3
ratio of arithmetic summation
Jul 1 '15 at 13:36
3
Show $x^{\pi(x)} < 3^x$ using the PNT.
May 21 '14 at 16:47
3
Interesting but short math papers?
May 21 '14 at 8:55
3
how covert joysitck (x, y) coordinates to robot motor speed?
Nov 6 '13 at 22:20
3
A double sum and its relation to a simple sum, is this an identity for any complex number $S=a+i b$ and any integers n and t?
Sep 15 '13 at 17:57
2
Sums of Squares of Fibonacci Numbers Using Difference Operators
Oct 18 '16 at 16:48
2
Significant figures reduction of solution
Jun 26 '15 at 14:23
2
If $f\in C[0,2\pi]$ and $f(0)=f(2\pi)$ then $f(\theta)=f(\theta+\pi)$ for some $\theta\,\in\,(0,\pi)$?
Nov 10 '14 at 11:47
2
Real zeros of the zeta function
May 5 '14 at 10:59
2
Numerical values for $e^{z}$
Nov 13 '13 at 9:59
2
Let $\sum_{n=1}^\infty \frac{a_n}{3^n}.$ Determine (numerically or not) the limit of the infinite series by choosing $a_n=0$ or $2$ randomly.
Oct 16 '13 at 7:11
2
How to solve $f_{n}(x)=xf_{n-1}(x)-f_{n-2}(x)$?
Sep 1 '13 at 11:06
2
General term of a range
Jul 3 '13 at 11:52
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