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Sung Jin-Woo's user avatar
Sung Jin-Woo's user avatar
Sung Jin-Woo
  • Member for 1 year, 2 months
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2 votes
4 answers
155 views

Number of solutions to $3xe^x+1=0$

2 votes
0 answers
35 views

Find a constant ratio between angles in the ellipse [closed]

0 votes
2 answers
148 views

Infinite expression: $\frac{2}{1} \times \frac{2}{3} × \frac{4}{3} × \frac{4}{5} × \frac{6}{5}...$

3 votes
1 answer
100 views

Evaluating $\prod_{r=1}^{2016}(\alpha^{r}+\alpha^{-r})$, for $\alpha=e^{i\pi/2017}$

0 votes
1 answer
26 views

The locus of a line in 3D passing intersecting two other lines

0 votes
1 answer
52 views

Area of the region traced by the envelope of a line segment

4 votes
1 answer
54 views

Minimum area bound by the function

0 votes
1 answer
23 views

General probability to pass a point on a 2D grid in a drunken walk

0 votes
1 answer
42 views

To prove a condition on the contestants

0 votes
1 answer
67 views

Solutions to $x^2 +615= 2^n$ [duplicate]

2 votes
1 answer
88 views

$2n$ people sit on a table under a condition [duplicate]

0 votes
1 answer
66 views

Probability of $x^3+y^3$ being a multiple of $3$ vs $7$

0 votes
0 answers
67 views

Possible approaches on a matrices problem

0 votes
0 answers
71 views

A functional equation ( old title new question)