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

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Top posts (56) All Questions Answers | Votes Newest

16 How many ways can a natural number n be expressed as a sum of one or more positive integers, taking order into account? Aug 29 '16
8 Arrangements of a,a,a,b,b,b,c,c,c in which no three consecutive letters are the same Sep 28 '16
5 Finding $\det(B)$ in terms of $\det(A) $ for matrices $A$ and $B$ Oct 4 '16
5 Mean duration of the renewal intervals Oct 24 '17
4 Show that $\sum\limits_{n=0}^{\infty} \binom{3n}{n} (\frac{4}{125})^n=\frac{1}{2\pi i}\int_{C(0;1)}\frac{-125}{(z-4)(4z^2+28z-1)}dz$ May 3 '18
3 Showing that $b\bar{d}=a\bar{c}\hspace{3mm}\text{and} \hspace{3mm} a\bar{b}=c\bar{d}$ & $\frac{P(z)}{Q(z)}=\omega \frac{z-\alpha}{1-\bar{\alpha}z}$ May 4 '18
3 Showing that $\sum\limits_{l=0}^\infty \frac{1}{(3l+2)!}=\frac{1}{3}(e-\frac{2}{\sqrt{e}} \cos(\frac{\pi}{3}-\frac{\sqrt{3}}{2}))$ May 3 '18
3 Is there a vehicle routing problem without time and cost constraints, whose objective is to maximize revenue? Oct 29 '17
3 Motivation behind Lagrangian duality Nov 1 '17
3 Show that $\mathbb R^n$ is the direct sum of the subspaces $W_1$ and $W_2$ Aug 28 '16
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