List questions from alternative-proof

Published on 05 Feb 2019 - 6:56

223

Views

Solving for the value of $ \angle CEB$ - $\frac{1}{4}$ $\angle CBA$ where $E$ is an exterior point of $\triangle ABC$

Published on 26 Mar 2026 - 4:53

352

Views

Is there a proof of quadratic reciprocity using $p$-adic numbers?

Published on 25 Mar 2026 - 6:10

106

Views

Ordering integer multiplets

Published on 07 Feb 2019 - 10:29

66

Views

Proving $(U \cap V) \cap u(U \cap v) = (u \cap V)(U \cap v)$

Published on 27 Mar 2026 - 10:44

85

Views

Find all $P\in \mathbb{C}[X]$ such that $P(\mathbb{Q})\subset \mathbb{Q}$

Published on 08 Feb 2019 - 7:13

106

Views

Rigorous or not?

Published on 26 Mar 2026 - 9:44

41

Views

Quick proof that $SL_2(\mathbb Z/n\mathbb Z)\cong \oplus_{p\mid n}SL_2(\mathbb Z/p^{e_p}\mathbb Z)$

Published on 25 Mar 2026 - 20:41

551

Views

Find the length of a triangle's side

Published on 10 Feb 2019 - 15:24

113

Views

Proving a definition and the general term for this sequence

Published on 10 Feb 2019 - 15:41

104

Views

Prove that $\phi(f(X),Y)=\phi(X,f(Y))~\forall X,Y\in\mathbb R^3$ where $\phi(X,Y)=X^TAY$ and $f:\mathbb R^3\to \mathbb R^3, X\mapsto BX$

Published on 25 Mar 2026 - 12:49

63

Views

Find at least ten different prime numbers $p$ such that $p + 6$ is also prime.

Published on 10 Feb 2019 - 18:41

307

Views

Subtracting ratios from each other to find which solution is more concentrated.

Published on 10 Feb 2019 - 19:32

185

Views

How can I find the coefficient of $x^6$ in $(1+x+\frac{x^2}{2})^{10}$ efficiently with combinatorics?

Published on 25 Mar 2026 - 11:04

158

Views

Prove $n{2n\choose n}=(n+1){2n\choose n-1}$ and $(n+1)|{2n\choose n}$

Published on 12 Feb 2019 - 17:57

List Question

Finite subgroup of the multiplicative group of a field is cyclic

Solving for the value of $ \angle CEB$ - $\frac{1}{4}$ $\angle CBA$ where $E$ is an exterior point of $\triangle ABC$

Is there a proof of quadratic reciprocity using $p$-adic numbers?

Ordering integer multiplets

Proving $(U \cap V) \cap u(U \cap v) = (u \cap V)(U \cap v)$

Find all $P\in \mathbb{C}[X]$ such that $P(\mathbb{Q})\subset \mathbb{Q}$

Rigorous or not?

Quick proof that $SL_2(\mathbb Z/n\mathbb Z)\cong \oplus_{p\mid n}SL_2(\mathbb Z/p^{e_p}\mathbb Z)$

Find the length of a triangle's side

Proving a definition and the general term for this sequence

Prove that $\phi(f(X),Y)=\phi(X,f(Y))~\forall X,Y\in\mathbb R^3$ where $\phi(X,Y)=X^TAY$ and $f:\mathbb R^3\to \mathbb R^3, X\mapsto BX$

Find at least ten different prime numbers $p$ such that $p + 6$ is also prime.

Subtracting ratios from each other to find which solution is more concentrated.

How can I find the coefficient of $x^6$ in $(1+x+\frac{x^2}{2})^{10}$ efficiently with combinatorics?

Prove $n{2n\choose n}=(n+1){2n\choose n-1}$ and $(n+1)|{2n\choose n}$

Trending Questions

Popular # Hahtags

Popular Questions