Mathematics
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KevinBui

Apparently, this user prefers to keep an air of mystery about them.

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  • Member for 9 years, 2 months
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32 Prove that every year has at least one Friday the 13th Aug 23 '11
19 After swapping the positions of the hour and the minute hand, when will a clock still give a valid time? Aug 24 '11
14 Prove that all even integers $n \neq 2^k$ are expressible as a sum of consecutive positive integers Aug 23 '11
10 Find the maximum area possible of equilateral triangle that inside the given square Aug 25 '11
4 Fill the board with dominoes Aug 23 '11
2 Find the last member remained in game Aug 23 '11
2 How to find the minimum value of $\frac{x}{2x+3y}+\frac{y}{y+z}+\frac{z}{z+x}$? Aug 26 '11
1 Hard simultaneous equation problem $5x^2y-4xy^2+3y^3-2(x+y)=0$, $xy(x^2+y^2)+2=(x+y)^2$ Aug 26 '11
1 Maximizing the sum of two numbers, the sum of whose squares is constant Aug 24 '11
1 How to “efficiently” compute the number of solution of $25x= 5y+8z$ such that $x,y,z \in [0,9]$ and $x,y,z \in \mathbb{W}$? Aug 28 '11
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