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Righter
  • Member for 3 years, 1 month
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4 votes
2 answers
49 views

Proving that any real number can be expressed as a ratio of $2$ real numbers in $[-1,1]$

3 votes
1 answer
504 views

Probability of making rectangles by choosing $4$ points of regular octagon.

2 votes
1 answer
40 views

Is this interpretation correct for this probability question?

2 votes
2 answers
123 views

Choosing people based on height

1 vote
1 answer
84 views

Why are these probabilities different?

1 vote
0 answers
26 views

How to arrange points in three-dimensional space to minimise "repulsion"?

1 vote
1 answer
261 views

I need to solve an equation with both $\theta$ and $\sin\theta$ in it. How do I do it?

1 vote
1 answer
78 views

Solving functional equations including $f\circ f(x)$ functions

1 vote
1 answer
55 views

Proving geometrical inequalities

0 votes
1 answer
42 views

Colouring of lines in a polygon to find relations between people at a party

0 votes
1 answer
54 views

If rational $a$, $b$, $c$ satisfy ${1\over{a+bc}}+{1\over{b+ac}}={1\over{a+b}}$, show $\sqrt{(c − 3)(c + 1)}$ is rational

0 votes
2 answers
69 views

Find sum of $5$th powers from given equations

0 votes
1 answer
63 views

How to solve multiple inequalities?

0 votes
1 answer
99 views

Is there any way to prove this assumption?

0 votes
1 answer
60 views

Probability that $7^m+7^n$ is divisible by $5$, where $m, n \in \{1,2,3,...,100 \}$

0 votes
1 answer
36 views

Quadratic equation with one of the roots as a part of equation

0 votes
1 answer
54 views

Is this differentiability question solvable?