Arjang

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123 Posts

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May
19
 asked Why substitution method does not work for $\int (x-\frac{1}{2x} )^2\, \mathrm dx$?
May
17
 asked Strong characterization of $\mathbb C$ with respect to $\mathbb R$
May
16
 answered $\frac{d}{dx}\int_{0}^{e^{x^{2}}} \frac{1}{\sqrt{t}}dt$
May
12
 asked $2^n-3^m=1 , m,n \in \mathbb N =?$
May
12
 answered $\sum_{n=0}^{\infty}(-1)^n a_n = \pi$, $a_n\in \mathbb Q$ and not $a_n$ not monotonic
May
9
 asked $\log_{2}{3} > \log_{3}{5}$?
Apr
29
 answered $2^n$ subsets of set with $n$ elements $\overset{?}{\implies}$ $\mathbb{R}$ has $2^\infty=\infty$ subsets
Mar
25
 answered Is limit an operator?
Mar
23
 asked Likely related elements
Mar
21
 answered Is there such a thing as proof by example (not counter example)
Mar
17
 answered Does π depends on the norm?
Mar
14
 answered Does $f:\mathbb{R}\to\mathbb{R}$ mean that $f$ maps to all reals?
Mar
12
 answered How to get the proportion by which a point divides a line.
Mar
11
 answered What is the term used to describe this
Mar
10
 asked $\lim_{x\to\infty}\sqrt [n] {p_n(x)}-\sqrt [m] {p_m(x})$ where $p_k(x)$ is polynomial of order k.
Mar
10
 answered $\frac{\mathrm d} {\mathrm dx}\sqrt{1/e^x}=$?
Mar
8
 answered How do I find the nearest point on a sphere?
Mar
5
 asked Algorithm for generating homeomorphically irreducible trees of size n
Mar
3
 answered Prove if sum of 3 numbers $\geq$ 3 then at least one them must be $\geq$1
Feb
26
 asked Super or subscript notation on the left hand side of a symbol?
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