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Mathematics
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Quixotic
  • Member for 15 years, 2 months
  • Last seen more than 1 year ago
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question
209
How can we sum up $\sin$ and $\cos$ series when the angles are in arithmetic progression?
Jan 18, 2011
question
57
How does the divisibility graphs work?
Jun 6, 2013
answer
54
How many ways are there for 8 men and 5 women to stand in a line so that no two women stand next to each other?
Dec 1, 2010
question
48
Proving: "The trace of an idempotent matrix equals the rank of the matrix"
Jan 23, 2012
answer
42
Online tool for making graphs (vertices and edges)?
Dec 10, 2010
question
39
Checking if a number is a Fibonacci or not?
Nov 12, 2010
question
37
Proving : $ \bigl(1+\frac{1}{n+1}\bigr)^{n+1} \gt (1+\frac{1}{n})^{n} $
Sep 15, 2011
question
36
Which is the easiest way to evaluate $\int \limits_{0}^{\pi/2} (\sqrt{\tan x} +\sqrt{\cot x})$?
Jan 18, 2012
question
36
A pencil approach to find $\sum \limits_{i=1}^{69} \sqrt{\left( 1+\frac{1}{i^2}+\frac{1}{(i+1)^2}\right)}$
Oct 21, 2011
question
35
Last non Zero digit of a Factorial
Apr 11, 2012

Top Meta posts

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What is our policy for "(let me Google that for you) links" ?
4
which questions falls under the tag 'problem-solving'?

Top network posts

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25
How do you compress a string, and get a string back using zlib?
25
Reverse stdin and place on stdout
22
The minimum fibonacci challenge!
18
Tips for golfing in C
18
"Expected of" vs. "expected from"