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MCCCS
  • Member for 7 years, 8 months
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3 votes
3 answers
155 views

$\sqrt[7]{3+\sqrt[7]{3+\sqrt[7]{3+\dotso}}}$

3 votes
3 answers
80 views

Number of nonnegative integer quintuples that $x^2+y^2+z^2+w^2+v^2=40$

3 votes
2 answers
87 views

$\left(\sum\limits_{n=1}^{30}n^{61}\right)\pmod{961} \equiv\space?$

2 votes
2 answers
1k views

Why doesn't derivative show the complex maxima minima?

1 vote
1 answer
79 views

Sum of prime divisors of ($\sum_{x=0}^{1008}{(2x+1)(2017-2x)}+1009\times 2009$)

1 vote
2 answers
109 views

The smallest value of $2x^2-2xy+5y^2-6y$

1 vote
5 answers
87 views

$\sum_{n=1}^{2017}\left(\left((n+2)^4\bmod{(n+1)^4}\right)\bmod{4}\right)$

1 vote
4 answers
153 views

Trying to solve $2\log_{5x+9}(x+3)+\log_{x+3}(5x+9)=3$ without seeing the obvious solution

1 vote
1 answer
253 views

Help me understand type theory notation

0 votes
2 answers
44 views

Is it possible to find these numbers without converting them into cubic equation?

0 votes
3 answers
246 views

Symbol for exponential base?

0 votes
0 answers
61 views

Best fitting "curve"

0 votes
0 answers
97 views

Geometric interpretion of complex rotation

0 votes
2 answers
576 views

Integration by parts with polynomial formula proof

-1 votes
1 answer
32 views

About backwards-defined and forward-defined infinite-length sequences [closed]