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Mathematics
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hhsaffar's user avatar
hhsaffar's user avatar
hhsaffar
  • Member for 10 years, 10 months
  • Last seen more than 7 years ago
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About

I haven't been much involved with math in the past years and I am trying to improve my math skills by trying to solve problems that are posted here and reading others solutions.

I will be offline for the next couple of weeks (12/2/2013)

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Top posts
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18
a part of expected value of Poisson distribution $E(X^2)=λ^2+λ$ proof?
Dec 6, 2013
answer
16
Show that if $n$ is not divisible by $2$ or by $3$, then $n^2-1$ is divisible by $24$.
Nov 28, 2013
answer
15
How to create a grammar for complement of $a^nb^n$?
Nov 6, 2013
answer
14
Prove $|e^{i\theta} -1| \leq |\theta|$
Nov 28, 2013
answer
12
Expected value of infinite sum
Nov 21, 2013
answer
10
Find CFG for $a^i b^j c^k$ with $!(i=j=k)$
Nov 13, 2013
answer
8
Possible solution for Sipser 1.63
Nov 30, 2013
answer
7
Korean Math Olympiad (Construct rectangle)
Dec 10, 2013
answer
6
Equation $\sqrt{x}+\sqrt{y}=\sqrt{2013}$ in rationals
Nov 12, 2013
answer
5
Composite functions and one to one
Nov 30, 2013
Top network posts
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10
Why didn't HAL use the pod to kill Bowman too?
5
Is validation a cross cutting concern?
5
Getting just the "active" remote desktop sessions