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Hockey-stick identity | general mathematics | intermediate level
8 months ago
48
Episode 128.
Hockey-stick identity | general mathematics | intermediate level.
Branch of mathematics: general mathematics.
Difficulty level: intermediate.
Theorem (the hockey-stick identity). For any $k$, $n$, such that $k \leq n$, we have $\sum_{j=k}^{n}{\binom{j}{k}}=\binom{n+1}{k+1}$.
Mathematics.
#Mathematics
The same video on YouTube:
https://youtu.be/j9pyQnW0EwM
The same video on Telegram:
https://t.me/mathematical_bunker/153
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