Mathematics
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Joffysloffy
  • Member for 8 years, 5 months
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All Questions Answers
Score Newest
answer
23
What is the closed form for $S=\sum_{n=1}^{\infty} \frac{\sin ({n})}{n!}$?
Jul 17, 2014
question
10
How to show that $a^ab^b+a^bb^a\leq 1$ for $a,b\in(0,1)$ with $a+b=1$. [duplicate]
Dec 20, 2013
answer
8
Find $\lim_{x \to 0}\frac{x-\sin(x)\cos(x)}{\sin(x)-\sin(x)\cos(x)}$
Jan 7, 2015
answer
6
If $a\in A$ and $A\in B$, is $a\in B$?
Jan 14, 2015
question
5
Compute $f_*:T_p\mathbb{R}^m\to T_{f(p)}\mathbb{R}^n$.
Sep 25, 2014
answer
5
Is there an interval notation for complex numbers?
Aug 16, 2014
question
4
Scalar Autonomous Differential Equation?
Feb 28, 2014
answer
4
Proof that $|\sqrt{x}-\sqrt{y}| \leq \sqrt{|x-y|},\quad x,y \geq 0$
Sep 26, 2014
answer
4
How many different sets of $6$ different numbers can we construct from $11, 13, 18, 19, 19, 20, 23, 25$?
Mar 25, 2015
answer
4
Is a set contained in its Cartesian product with itself?
Nov 10, 2015
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40
A word for "intimate friends" without any kind of romance?
15
When is the prefix ne- and when is it mal-?
14
Vi amas kiu aŭ kiun?
13
How to translate ‘anyway’?
12
How did the h-system of typing accented characters come about?

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