Is my solution correct? (IMO)
6943
Idea behind proof that $\frac{21n+4}{14n+3}$ is irreducible for all $n$
38037
A problem with my reasoning in a problem about combinations
21738
Using result of Solve in further calculations
68880
propositional calculus problem, how to prove this right or wrong?
24062
Best answer versus best solution
102320
Is my solution correct for solving $\cos(z)=2$, $z\in \mathbb{C}$
55871
Can I ask a technically solved question for better advice?
13873
Finding an optimal solution to a linear program among solutions of another
36478
How can I solve this problem without having to do it by hand?
63660
During review, I found a superior solution. What now?
144533
Proving which QM interpretation is correct
102541
Did I solve this definite integral correctly?
61533
Solution af a system of 2 quadratic equations
89938
Is the Formula Logically Valid?
24135
What are the answers for these basic quetions?
139496
Linear systems. Please help me solve this
156974
Can I get some help cleaning up my equations?