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New posts in solution-verification
Arc length of $x^n$ found using Hypergeometric function and series. Alternate representations and solution verification needed.
sequences-and-series
solution-verification
gamma-function
hypergeometric-function
arc-length
A possible solution to $\sqrt {5-x}=5-x^2$ (without taking square from both sides)
algebra-precalculus
polynomials
solution-verification
radicals
functional-equations
Using the definition of a vector space to prove that $0x = 0$ and $(-1)x = -x$
linear-algebra
vector-spaces
solution-verification
Proving if $b^k = a$ and $\text{ord}(a) = n$ then $\text{ord}(b) = kn$.
group-theory
reference-request
proof-writing
solution-verification
How to show that $\lim_{n\to \infty} \frac{a_1 +a_2 + \cdots + a_n}{n} = 0?$ [duplicate]
real-analysis
sequences-and-series
limits
solution-verification
alternative-proof
Prove if $x$ orthogonal to null space of $A$, $A^TAx = 0$ only when $x = 0$
linear-algebra
solution-verification
self-learning
Using Cantor's lemma in a proof of convergence
calculus
sequences-and-series
limits
solution-verification
If $A$ is an uncountable set and $B \subset A$, $B \neq A$, how can i prove that $B$ is also uncountable?
solution-verification
proof-explanation
Show that $P(C)=P(A\cup B)P(C\mid A)-P(A\cap B)P(C'\mid A)$
probability
statistics
solution-verification
Is this elementary proof correct
elementary-number-theory
solution-verification
diophantine-equations
Show closedness of $D:=\bigcup\limits_{k=1}^{\infty}\left[k-\frac{1}{2^{k+1}},k+\frac{1}{2^{k+1}}\right]$
real-analysis
general-topology
solution-verification
Relation between a filter and its complement being an ideal.
general-topology
elementary-set-theory
solution-verification
filters
How many ways are there to place $7$ people to $10$ seats around a circular table so that Alex and Bob in these $7$ people do not sit together?
combinatorics
solution-verification
permutations
contest-math
How many four-digit positive integers are there that contain the digit $3$ and are divisible by $5$?
combinatorics
algebra-precalculus
solution-verification
If a set $E\subset [a,b]$ has possitive measure, then $x-y\in \mathbb{R\setminus Q}$
measure-theory
solution-verification
lebesgue-measure
Proving Cantor's theorem
elementary-set-theory
solution-verification
Prove that $\int_{0}^{1} \frac{\ln(x)}{x-1} dx = \sum_{k=1}^{\infty} \frac{1}{k^2}$
real-analysis
calculus
sequences-and-series
solution-verification
uniform-convergence
${\rm Aut}(G)$ is cyclic $\implies G$ is abelian
group-theory
solution-verification
abelian-groups
group-isomorphism
automorphism-group
Avoiding brute force: determining when a specific polynomial in $\mathbb{Q}[x]$ is an integer for any integer $x$
elementary-number-theory
solution-verification
modular-arithmetic
integer-valued-polynomials
$\lim_{x \rightarrow 0} {\frac{1}{x}\left( f(x)+f(\frac{x}{2})+\cdots+f(\frac{x}{n})\right)}$ [closed]
calculus
solution-verification
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