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Mathematics
Dmitri Kovalenko's user avatar
Dmitri Kovalenko's user avatar
Dmitri Kovalenko's user avatar
Dmitri Kovalenko
  • Member for 11 years, 9 months
  • Last seen more than 1 year ago
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question
14
Find $\sum_{n=1}^\infty {\frac {f(n)} {n(n+1)}}$ where $f(n)$ is the number of $1$s in $n$'s binary expansion
Mar 16, 2014
question
10
Find probability that random triangle covers centre of circumscribed circle
Nov 26, 2014
question
7
Prove that cardinality of the symmetric difference of subsets less than 3
Mar 5, 2014
question
7
Prove that determinant of matrix equal $\pm1$ or $0$
Apr 7, 2014
question
6
Find set with maximal cardinality given constraints
Mar 11, 2014
question
6
find a chance that all N points lie on the half circle. [duplicate]
Mar 11, 2014
question
5
Find integrals that are nonzero
Apr 5, 2014
question
4
Find a limit of the recursive sequence
Mar 4, 2014
question
4
Transform SE3 pose covariance
Nov 2, 2016
question
4
Integrating : $\int_0^1 {\frac {x^a-x^b} {\ln x} dx}$ [duplicate]
May 4, 2014

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11
UK visa refused due to sloppy documentation. How should I reapply?
8
Deprecation of information in US visa application before the appointment date
5
Deprecation of information in US visa application before the appointment date