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Arkamis earned this badge 6 times |
mar 23 at 13:19
$\sqrt{\frac{a}{2}}+\sqrt{\frac{a}{2}}\ge \sqrt{a}$?
feb 5 at 22:53
Why does $i^2 = -1$?
nov 18 at 14:42
What is $n!$ when $n=0$?
oct 30 at 21:12
How does $2^{k+1} = 2 \times 2^k$?
sep 5 at 22:04
Prove that $i^i$ is a real number
