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If you happen to come across an unnecessarily tedious problem, feel free to leave a link on this note and I will remove it from the popular problems section.

The ...

Notes: 1. You can't guarantee full cooperation with other students. That is, some students may promise to do something but decides to defect. 2. You don't know the ...

Recently, I was playing with my two year old brother. There was an old \(3\times 3\) Rubik's cube lying around and my dad posed a simple problem:

How ...

Evaluate

\[\large\left| \int_{|z| = 1} \frac{e^{z}}{z} \ dz \right|,\]

where \(z \in \mathbb{C}\).

\({\LaTeX}\) is an extremely useful typesetting language to learn, especially in a math environment like this. However, the quick instructions Brilliant.org gives just aren't good enough to use ...

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