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Helixglich
  • Member for 1 year, 10 months
  • Last seen this week
6 votes
2 answers
80 views

I can't come up with the intended solution to $\frac{a^2+b^2}{2a^5b^5} + \frac{81a^2b^2}{4} + 9ab>18$

3 votes
2 answers
145 views

Minimizing the sum of rational functions over simplex

2 votes
3 answers
144 views

How will this be solved via the use of complex numbers (angle bisector)?

2 votes
2 answers
152 views

Prove $\frac{1+xy+xz}{(1+y+z)^2} + \frac{1+zy+zx}{(1+y+x)^2} + \frac{1+yx+yz}{(1+x+z)^2} \ge 1$ for $x,y,z > 0 $

1 vote
0 answers
61 views

What are all the possible 130 letter words with letters in ascending order

1 vote
2 answers
183 views

Solve for all $x,y\in N$ and $x^3-3^y = 2015$

1 vote
0 answers
137 views

Is there a way to find the integer solutions of $x^2 = y^3 + 1$ with elementary NT [duplicate]

1 vote
1 answer
84 views

Prove location of roots

1 vote
0 answers
42 views

Condition for 4 points on a hyperbola to be concyclic

0 votes
0 answers
15 views

Lower bound for maximal 3-SAT expression [closed]

0 votes
1 answer
88 views

Circle geometry. Prove quadrilateral diagonals are perpendicular.

0 votes
1 answer
119 views

How would you solve this geometry problem analytically?

0 votes
3 answers
78 views

Find all values for $x$ for which the following is true $(x-y)(x+y) = px$, where $p$ is prime

-1 votes
1 answer
40 views

Find the integer integers k for which there exists an integer x [closed]