New posts in alternative-proof

Is $\sum_{n=2}^{\infty}\frac{(-1)^n}{\sqrt n+(-1)^n}$ convergent?

sequences-and-series analysis proof-verification alternative-proof

Find the Roots of $(x+1)(x+3)(x+5)(x+7) + 15 = 0$

proof-verification soft-question proof-writing alternative-proof

Determinants of matrices defined by the minimum/maximum indices of their entries

linear-algebra matrices determinant alternative-proof

Algebraic proof of a trig matrix identity?

matrices trigonometry alternative-proof

Integral $\int_0^1 \frac{dx}{\sqrt[3]{x(1-x)}(1-x(1-x))}$

integration definite-integrals alternative-proof

Inequality $\binom{2n}{n}\leq 4^n$

inequality binomial-coefficients alternative-proof

Normalizer of upper triangular group in ${\rm GL}(n,F)$

abstract-algebra group-theory alternative-proof

A proof of the product rule using the single variable chain rule?

calculus alternative-proof

Does law of large numbers converge in $L^1$?

probability-theory martingales alternative-proof

A more natural solution to finding the general terms of a recurrence relation in $2$ variables

recurrence-relations contest-math alternative-proof

$\left\lfloor \frac{1}{\sqrt{1}}+\frac{1}{\sqrt{2}}+\frac{1}{\sqrt{3}}+\frac{1}{\sqrt{4}}+...+\frac{1}{\sqrt{1024}}\right\rfloor =?$

calculus integration summation soft-question alternative-proof

A beautiful inequality for convex functions

integration inequality convex-analysis alternative-proof

Find the area of ​the triangular region KHQ,

geometry euclidean-geometry triangles alternative-proof plane-geometry

Proving that $(-1)^{n+1}G_n =\int_0^\infty \frac{1}{(1+x)^n (\pi^2+\ln^2 x)} dx$

integration definite-integrals improper-integrals alternative-proof

Proving $\sum_{k=1}^n{k^2}=\frac{n(n+1)(2n+1)}{6}$ without induction [duplicate]

calculus summation alternative-proof

Can you get a non-principal ultrafilter on N using Choice but 'avoiding' Zorn's Lemma?

elementary-set-theory alternative-proof axiom-of-choice filters

Alternative proof of simple integral inequality

contest-math alternative-proof integral-inequality

An identity satisfied by 'harmonic numbers' [duplicate]

summation intuition alternative-proof harmonic-numbers

Show that the product of two consecutive natural numbers is never a square.

proof-verification alternative-proof

Proof of Euclid's lemma using fundamental theorem of arithmetic

elementary-number-theory alternative-proof prime-factorization