User emacs drives me nuts - Mathematics Stack Exchange

34 votes

Why can't two circles intersect at more than 2 points?

answered Aug 8, 2022 at 21:09

23 votes

Accepted

Why does this desmos plot of the integral of $\sqrt{1+e^x}$ have these discontinuities?

answered Jun 16, 2022 at 11:09

22 votes

Does Newton's method converge for all polynomials?

answered Jan 9 at 11:19

16 votes

Accepted

How to check if a sphere passes through another sphere when both travels in a straight line through 3d space

answered Sep 30, 2023 at 15:48

11 votes

Accepted

Will $h(x)=\frac{ax+b}{cx+d}$, where $c\neq0$, always satisfy $h(h\cdots(h(x))\cdots)=x$ in a finite number of iterations?

answered Jun 7, 2022 at 11:35

8 votes

Sum of 3 vectors is $\vec 0$

answered Jun 10, 2022 at 20:09

8 votes

How is it truly determined the digits after the decimal don’t EVER repeat? (Is irrational.) Theoretically, the first million digits could repeat.

answered Sep 24, 2021 at 12:34

7 votes

Accepted

On expressing $\frac{\pi^n}{4\cdot 3^{n-1}}$ as a continued fraction.

answered Feb 26, 2020 at 10:31

7 votes

Most efficient way to calculate logarithm numerically?

answered May 6, 2020 at 17:41

7 votes

Calculus: Difference between functions and "equations" from a theoretical perspective

answered Jun 23, 2022 at 16:53

7 votes

Accepted

A more elegant way to visualize the curve traced out by a vector function?

answered Jun 4, 2022 at 18:50

7 votes

Accepted

Why does a function need a fixed number of arguments?

answered Sep 5, 2022 at 19:16

6 votes

Accepted

Find an alternating series such that its limit does not exist

answered Aug 27, 2023 at 14:41

6 votes

Accepted

Deform the boundary of the Möbius band in the proper way

answered Jun 5, 2022 at 11:55

6 votes

Accepted

Non-diagonal n-th roots of the identity matrix

answered Jul 1, 2022 at 21:15

6 votes

Why is it impossible to have a Taylor series for |x|?

answered Jul 7, 2022 at 10:47

6 votes

What are some other other examples similar to completing the square where a derived value is added and taken away again to create a useful form?

answered Jul 10, 2022 at 16:38

6 votes

Accepted

On conjectured continued fractions and $e$

answered Feb 24, 2020 at 10:52

6 votes

How to construct a closed form formula for a recursive sequence?

answered Feb 28, 2020 at 10:18

5 votes

Are there any large numbers found that seemed eerily close to disproving Goldbach's conjecture?

answered Jul 1, 2022 at 8:40

5 votes

Accepted

How to solve $x^y = ax-b$

answered Jun 2, 2022 at 10:12

5 votes

Accepted

Does $\exp(f(x)) = e^{f(x)}$?

answered Jun 2, 2022 at 8:55

4 votes

Accepted

Where is my mistake in evaluating $\lim_{x \to -\infty} \frac{\sqrt{x^2+4}}{x}$?

answered Jun 5, 2022 at 12:39

4 votes

Accepted

Real-world set theory/combinatorics problem

answered Jun 28, 2022 at 18:09

4 votes

Accepted

How to read m $\bot$ n in totient function?

answered Jul 6, 2022 at 17:24

4 votes

Accepted

Angle of rotation between two points on cylindrical helix

answered Jun 16, 2022 at 13:38

4 votes

Accepted

Why can't I take the squareroot of this complex equation?

answered Jun 19, 2022 at 16:51

4 votes

Accepted

Name of these Sierpinski-like fractals?

answered Feb 27, 2020 at 21:24

4 votes

Does $\int_{0}^{\infty} \frac{e^{-2x}}{ x^2 + 1} \,dx $ converge?

answered Mar 4, 2020 at 11:41

4 votes

Find expression for following summation

answered Feb 20, 2020 at 12:45

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359 Answers

Why can't two circles intersect at more than 2 points?

Why does this desmos plot of the integral of $\sqrt{1+e^x}$ have these discontinuities?

Does Newton's method converge for all polynomials?

How to check if a sphere passes through another sphere when both travels in a straight line through 3d space

Will $h(x)=\frac{ax+b}{cx+d}$, where $c\neq0$, always satisfy $h(h\cdots(h(x))\cdots)=x$ in a finite number of iterations?

Sum of 3 vectors is $\vec 0$

How is it truly determined the digits after the decimal don’t EVER repeat? (Is irrational.) Theoretically, the first million digits could repeat.

On expressing $\frac{\pi^n}{4\cdot 3^{n-1}}$ as a continued fraction.

Most efficient way to calculate logarithm numerically?

Calculus: Difference between functions and "equations" from a theoretical perspective

A more elegant way to visualize the curve traced out by a vector function?

Why does a function need a fixed number of arguments?

Find an alternating series such that its limit does not exist

Deform the boundary of the Möbius band in the proper way

Non-diagonal n-th roots of the identity matrix

Why is it impossible to have a Taylor series for |x|?

What are some other other examples similar to completing the square where a derived value is added and taken away again to create a useful form?

On conjectured continued fractions and $e$

How to construct a closed form formula for a recursive sequence?

Are there any large numbers found that seemed eerily close to disproving Goldbach's conjecture?

How to solve $x^y = ax-b$

Does $\exp(f(x)) = e^{f(x)}$?

Where is my mistake in evaluating $\lim_{x \to -\infty} \frac{\sqrt{x^2+4}}{x}$?

Real-world set theory/combinatorics problem

How to read m $\bot$ n in totient function?

Angle of rotation between two points on cylindrical helix

Why can't I take the squareroot of this complex equation?

Name of these Sierpinski-like fractals?

Does $\int_{0}^{\infty} \frac{e^{-2x}}{ x^2 + 1} \,dx $ converge?

Find expression for following summation