Arjang

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68 Answers

newest activity votes
10
What is the value of $i+i^2+i^3+\cdots+i^{23}$?
5
Why is Pi equal to 3.14159…?
5
Given an infinite number of monkeys and an infinite amount of time, would one of them write Hamlet?
5
Is zero odd or even?
4
Is there such a thing as proof by example (not counter example)
4
Does $n^{\log n}$ or $(\log n)^n$ grow faster?
4
Is the function $\frac{x^2-x-2}{x-2}$ continuous?
4
Can a number have a prime factor that isn't a part of the number's prime factorization?
4
Intuitive use of logarithms
4
A general formula for $\sum (k-1)(k-2)(k-3)$?
3
How do I find the nearest point on a sphere?
3
Why do authors claim that Euler gave no proof to his “$\sin(\pi x)= \pi x\prod\limits_{k=1}^{\infty}\left(1-\frac{x^2}{k^2} \right )$” when…
3
In the expression sqrt(“cat”), what is the formal name of “cat”?
3
What is the next picture in this sequence?
3
Where do I start with self learning linear algebra
3
Usage of Negative bases
2
Is limit an operator?
2
What is the term used to describe this
2
$\frac{\mathrm d} {\mathrm dx}\sqrt{1/e^x}=$?
2
Prove if sum of 3 numbers $\geq$ 3 then at least one them must be $\geq$1
2
Do We Need the Digits of $\pi$?
2
What is your favorite application of the Pigeonhole Principle?
2
Logic problem - what kind of logic is it?
2
What is the limit of multiple logarithm quotient $ \frac{\log \log n}{\log n}$
1
$\sum_{n=0}^{\infty}(-1)^n a_n = \pi$, $a_n\in \mathbb Q$ and not $a_n$ not monotonic
1
$2^n$ subsets of set with $n$ elements $\overset{?}{\implies}$ $\mathbb{R}$ has $2^\infty=\infty$ subsets
1
Does π depends on the norm?
1
“namespace clutter” in mathematics
1
How to know whether an integral can be solved?
1
how to find the nth number in the sequence?
1 2 3