Mathematics
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mathemagician

Graduate student in economics with an interest in mathematics, coding, personal finance and law.

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Top posts (127) All Questions Answers | Votes Newest

16 Of any 52 integers, two can be found whose difference of squares is divisible by 100 Dec 12 '13
12 Why is the empty set a subset of every set? Jan 29 '14
11 Show $15x^{2} - 7y^{2} = 9$ has no integer solutions Jan 11 '13
7 definition of limsup of a function Oct 20 '13
7 Deduce that there exists a prime $p$ where $p$ divides $x^2 +2$ and $p≡3$ (mod 4) May 15 '13
7 Inequality on the side lengths of a triangle: $\left| \frac{a}{b} + \frac{b}{c} + \frac{c}{a} - \frac{a}{c} - \frac{b}{a} - \frac{c}{b} \right| < 1$. Jan 23 '13
6 Let $a, b$ and $c$ be the lengths of the sides of an arbitrary triangle. Pick out the true statements. Jan 17 '13
6 Is every bounded sequence convergent? Jan 19 '13
5 Given the value of $\log n$, what is the value of $\log 2n$? Jan 17 '13
5 limit of Holder norms: $\sup\limits_{x\in [a,b]} f(x) = \lim\limits_{n\rightarrow\infty} \left(\int_a^b (f(x))^n \;dx\right)^{\frac{1}{n}}$ [duplicate] Dec 19 '12
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