Mathematics
kuch nahi's user avatar
kuch nahi's user avatar
kuch nahi's user avatar
kuch nahi
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83
Math behind rotation in MS Paint
Jun 23, 2011
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48
How to understand and appreciate the prime number industry?
May 24, 2011
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31
Results that were widely believed to be false but were later shown to be true
Jun 16, 2011
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30
If $f(xy)=f(x)f(y)$ then show that $f(x) = x^t$ for some t
Jun 7, 2011
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27
Can I ever go wrong if I keep thinking of derivatives as ratios?
Jun 20, 2011
question
23
Evaluate $\sum\limits_{k=1}^n k^2$ and $\sum\limits_{k=1}^n k(k+1)$ combinatorially
Jun 5, 2011
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23
Relation of this antisymmetric matrix $r = \left(\begin{smallmatrix}0 &1\\-1&0\end{smallmatrix}\right)$ to $i$
Jul 13, 2011
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22
Do other non-native english speakers have trouble solving certain kinds of problems?
May 23, 2011
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20
In a group of 6 people either we have 3 mutual friends or 3 mutual enemies. In a room of n people?
Jun 1, 2011
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17
Best way to set up a wiki for maintaining a structured math journal
Jul 17, 2011
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