Please help me prove this question
75039
Smallest positive element of $ \{ax + by: x,y \in \mathbb{Z}\}$ is $\gcd(a,b)$
3632
Basic number theory proofs
110826
prove that : $ i = \sqrt {-1}\ $
134120
Prove statement with a counter-example: For all sets S, T and V, V ∪ (S ∩ T) = (V ∪ S) ∩ T is false
89354
Polynomials, prove exercise question about question
75529
Series prove or disprove statement
22584
Can we prove that a statement cannot be proved?
126074
Proof of the irrationality of $\sqrt{3}$ - logic question
66948
Proving question on sets
64586
How to prove that $\neg((A\cap B)\cup (\neg A \cap C)) = (A\cap\neg B)\cup (\neg A\cap \neg C)$
77026
Proof with inequalities
156669
Trying to prove a simple (?) inequality
126032
Proving a certain inequality
59280
Need help with Proof by Strong Induction question
104125
How prove this inequality??
88425
Prove that $\,\sqrt [n] n < 1 + \sqrt{\frac{2}{n}}\,$
121544
Proof by Induction: $2(\sqrt{n+1} - \sqrt{n}) < \frac{1}{\sqrt{n}} < 2(\sqrt{n}-\sqrt{n-1})$