Badge
| Enlightened | First to answer and accepted with score of 10 or more. This badge can be awarded multiple times. |
Thomas Andrews earned this badge 13 times |
apr 3 at 10:23
Why do we negate the imaginary part when conjugating?
mar 5 at 17:42
Why is $x^3-5x$ injective on the rationals?
mar 4 at 19:11
Solving $n!+m!+k^2=n!m!$ for positive integers $n,m,k$
dec 26 at 8:21
Find the number of pairs $(m, n)$ of positive integers such that $\frac{ m}{n+1} < \sqrt{2} < \frac{m+1}{n}$
aug 31 at 18:26
$n+1$ is a divisor of $\binom{2n} {n}$
nov 16 '11 at 2:27
How to integrate $\cos(x)e^{ix}dx$
oct 18 '11 at 14:57
For which n are there primitive Pythagorean triples with legs of lengths a and a+n?
oct 12 '11 at 7:30
Can $2^n$ and $2^{n+1}$ have the same digit sum?
apr 24 '11 at 21:24
Olympiad calculus problem
