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Mathematics
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BallBoy
  • Member for 6 years, 9 months
  • Last seen more than 1 year ago
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15
Find $\lim\limits_{n\to+\infty}\sum\limits_{k=1}^{n}\frac{k^{3}+6k^{2}+11k+5}{\left(k+3\right)!}$
Jan 9, 2018
answer
14
Sum of conditional probabilities equals 1?
Jun 28, 2018
answer
13
Doubts about a question I asked a long time ago (eigenvalues)
May 16, 2018
answer
12
Exam with $12$ yes/no questions (half yes, half no) and $8$ correct needed to pass, is it better to answer randomly or answer exactly 6 times yes?
May 6, 2018
answer
10
Constant of integration change
Dec 27, 2017
answer
10
Can I Prove Schröder-Bernstein With Just Definition of Bijection?
Aug 27, 2019
answer
10
Expected number of games in the Baseball World Series
Jan 8, 2018
answer
9
Defining new symbols in a proof, when is this justified?
Jul 5, 2018
answer
9
Show $\sum_{i=0}^\infty {k+i \choose k}a^i=\frac1{(1-a)^{k+1}}.$
Jan 4, 2018
answer
9
Can an idempotent matrix only have eigenvalue $1$?
Jan 31, 2018
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5
Basics of real numbers in mathcomp (Coq)