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In a bag of Doritos, there are 2020 tortilla chips--1010 of which are BBQ flavored and the other 1010 are Nacho Cheese flavored. On the \(n^\text{th}\) second,

Now that Anqi Li has taught us a lot about combinatorics, I think we should test our knowledge.

Consider 3 coins (green color) placed on an infinite chessboard (infinite in ...

Evaluate the following:

\[\int_0^{\infty} \frac{x^3-\sin^3x}{x^5}\,dx\]

If the result can be expressed as \(\dfrac{a\pi^b}{c}\) where \(a\) and \(c\) are ...

Prove the following:

...

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